12742956 has 36 divisors (see below), whose sum is σ = 32344312. Its totient is φ = 4230144.

The previous prime is 12742913. The next prime is 12742957. The reversal of 12742956 is 65924721.

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 12742956.

It is not an unprimeable number, because it can be changed into a prime (12742957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10476 + ... + 11628.

Almost surely, 2^12742956 is an apocalyptic number.

It is an amenable number.

12742956 is an abundant number, since it is smaller than the sum of its proper divisors (19601356).

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

12742956 is a wasteful number, since it uses less digits than its factorization.

12742956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1465 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 12742956 is about 3569.7277207092. The cubic root of 12742956 is about 233.5734064225.

The spelling of 12742956 in words is "twelve million, seven hundred forty-two thousand, nine hundred fifty-six".