13156772 has 12 divisors (see below), whose sum is σ = 23767296. Its totient is φ = 6366120.

The previous prime is 13156763. The next prime is 13156783. The reversal of 13156772 is 27765131.

It is a super-3 number, since 3×13156772³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52928 + ... + 53175.

It is an arithmetic number, because the mean of its divisors is an integer number (1980608).

Almost surely, 2^13156772 is an apocalyptic number.

It is an amenable number.

13156772 is a deficient number, since it is larger than the sum of its proper divisors (10610524).

13156772 is a wasteful number, since it uses less digits than its factorization.

13156772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106138 (or 106136 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 13156772 is about 3627.2264886549. The cubic root of 13156772 is about 236.0748828732.

The spelling of 13156772 in words is "thirteen million, one hundred fifty-six thousand, seven hundred seventy-two".