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12413214 = 2321171883
BaseRepresentation
bin101111010110…
…100100011110
3212100122201200
4233112210132
511134210324
61122020330
7210340062
oct57264436
925318650
1012413214
117009260
1241a76a6
1327580c8
141911aa2
151152ec9
hexbd691e

12413214 has 48 divisors (see below), whose sum is σ = 29787264. Its totient is φ = 3704400.

The previous prime is 12413209. The next prime is 12413227. The reversal of 12413214 is 41231421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13617 + ... + 14499.

It is an arithmetic number, because the mean of its divisors is an integer number (620568).

Almost surely, 212413214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12413214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14893632).

12413214 is an abundant number, since it is smaller than the sum of its proper divisors (17374050).

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

12413214 is a wasteful number, since it uses less digits than its factorization.

12413214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 970 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12413214 is about 3523.2391346600. The cubic root of 12413214 is about 231.5410939524.

Adding to 12413214 its reverse (41231421), we get a palindrome (53644635).

The spelling of 12413214 in words is "twelve million, four hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 71 99 142 198 213 426 639 781 883 1278 1562 1766 2343 2649 4686 5298 7029 7947 9713 14058 15894 19426 29139 58278 62693 87417 125386 174834 188079 376158 564237 689623 1128474 1379246 2068869 4137738 6206607 12413214