12764157 has 24 divisors (see below), whose sum is σ = 20443392. Its totient is φ = 7056000.

The previous prime is 12764099. The next prime is 12764173. The reversal of 12764157 is 75146721.

It is not a de Polignac number, because 12764157 - 2¹⁰ = 12763133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12764357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3157 + ... + 5957.

It is an arithmetic number, because the mean of its divisors is an integer number (851808).

Almost surely, 2^12764157 is an apocalyptic number.

It is an amenable number.

12764157 is a deficient number, since it is larger than the sum of its proper divisors (7679235).

12764157 is a wasteful number, since it uses less digits than its factorization.

12764157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2842 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 12764157 is about 3572.6960408073. The cubic root of 12764157 is about 233.7028700008.

It can be divided in two parts, 12764 and 157, that added together give a palindrome (12921).

The spelling of 12764157 in words is "twelve million, seven hundred sixty-four thousand, one hundred fifty-seven".