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12452141 = 131576101
BaseRepresentation
bin101111100000…
…000100101101
3212102122010102
4233200010231
511141432031
61122520445
7210561422
oct57400455
925378112
1012452141
117035529
124206125
13276ca40
141921d49
15115e7cb
hexbe012d

12452141 has 8 divisors (see below), whose sum is σ = 13497624. Its totient is φ = 11419200.

The previous prime is 12452137. The next prime is 12452147. The reversal of 12452141 is 14125421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 306916 + 12145225 = 554^2 + 3485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12452141 - 22 = 12452137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (1687203).

Almost surely, 212452141 is an apocalyptic number.

It is an amenable number.

12452141 is a deficient number, since it is larger than the sum of its proper divisors (1045483).

12452141 is a wasteful number, since it uses less digits than its factorization.

12452141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271.

The product of its digits is 320, while the sum is 20.

The square root of 12452141 is about 3528.7591303460. The cubic root of 12452141 is about 231.7828737995.

Adding to 12452141 its reverse (14125421), we get a palindrome (26577562).

The spelling of 12452141 in words is "twelve million, four hundred fifty-two thousand, one hundred forty-one".

Divisors: 1 13 157 2041 6101 79313 957857 12452141