12765156 has 24 divisors (see below), whose sum is σ = 30348864. Its totient is φ = 4174560.

The previous prime is 12765143. The next prime is 12765157. The reversal of 12765156 is 65156721.

12765156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12765157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (1264536).

Almost surely, 2^12765156 is an apocalyptic number.

It is an amenable number.

12765156 is an abundant number, since it is smaller than the sum of its proper divisors (17583708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12765156 is a wasteful number, since it uses less digits than its factorization.

12765156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20131 (or 20129 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 12765156 is about 3572.8358484543. The cubic root of 12765156 is about 233.7089668410.

It can be divided in two parts, 12765 and 156, that added together give a palindrome (12921).

The spelling of 12765156 in words is "twelve million, seven hundred sixty-five thousand, one hundred fifty-six".