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12545214 = 2311672837
BaseRepresentation
bin101111110110…
…110010111110
3212121100210120
4233312302332
511202421324
61124515410
7211426653
oct57666276
925540716
1012545214
117099450
12424bb66
1327a3206
141947c2a
15117c179
hexbf6cbe

12545214 has 32 divisors (see below), whose sum is σ = 27789696. Its totient is φ = 3743520.

The previous prime is 12545209. The next prime is 12545219. The reversal of 12545214 is 41254521.

It is an interprime number because it is at equal distance from previous prime (12545209) and next prime (12545219).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3004 + ... + 5840.

It is an arithmetic number, because the mean of its divisors is an integer number (868428).

Almost surely, 212545214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12545214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13894848).

12545214 is an abundant number, since it is smaller than the sum of its proper divisors (15244482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12545214 is a wasteful number, since it uses less digits than its factorization.

12545214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its digits is 1600, while the sum is 24.

The square root of 12545214 is about 3541.9223593975. The cubic root of 12545214 is about 232.3589247065.

Adding to 12545214 its reverse (41254521), we get a palindrome (53799735).

It can be divided in two parts, 1254 and 5214, that multiplied together give a palindrome (6538356).

The spelling of 12545214 in words is "twelve million, five hundred forty-five thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 67 134 201 402 737 1474 2211 2837 4422 5674 8511 17022 31207 62414 93621 187242 190079 380158 570237 1140474 2090869 4181738 6272607 12545214