13157612 has 24 divisors (see below), whose sum is σ = 24898272. Its totient is φ = 6048000.

The previous prime is 13157611. The next prime is 13157647. The reversal of 13157612 is 21675131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (13157611) 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, 20537 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (1037428).

Almost surely, 2^13157612 is an apocalyptic number.

It is an amenable number.

13157612 is a deficient number, since it is larger than the sum of its proper divisors (11740660).

13157612 is a wasteful number, since it uses less digits than its factorization.

13157612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 13157612 is about 3627.3422777565. The cubic root of 13157612 is about 236.0799068684.

The spelling of 13157612 in words is "thirteen million, one hundred fifty-seven thousand, six hundred twelve".