12157016 has 32 divisors (see below), whose sum is σ = 23798640. Its totient is φ = 5816448.

The previous prime is 12157001. The next prime is 12157027. The reversal of 12157016 is 61075121.

It is a junction number, because it is equal to n+sod(n) for n = 12156982 and 12157000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19526 + ... + 20138.

Almost surely, 2^12157016 is an apocalyptic number.

It is an amenable number.

12157016 is a deficient number, since it is larger than the sum of its proper divisors (11641624).

12157016 is a wasteful number, since it uses less digits than its factorization.

12157016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 12157016 is about 3486.6912682370. The cubic root of 12157016 is about 229.9370716311.

The spelling of 12157016 in words is "twelve million, one hundred fifty-seven thousand, sixteen".