12894156 has 36 divisors (see below), whose sum is σ = 35557704. Its totient is φ = 3907200.

The previous prime is 12894139. The next prime is 12894169. The reversal of 12894156 is 65149821.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12894156.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15885 + ... + 16676.

It is an arithmetic number, because the mean of its divisors is an integer number (987714).

Almost surely, 2^12894156 is an apocalyptic number.

It is an amenable number.

12894156 is an abundant number, since it is smaller than the sum of its proper divisors (22663548).

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

12894156 is a wasteful number, since it uses less digits than its factorization.

12894156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32582 (or 32577 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12894156 is about 3590.8433549794. The cubic root of 12894156 is about 234.4935888397.

It can be divided in two parts, 1289 and 4156, that added together give a palindrome (5445).

The spelling of 12894156 in words is "twelve million, eight hundred ninety-four thousand, one hundred fifty-six".