12757356 has 18 divisors (see below), whose sum is σ = 32247852. Its totient is φ = 4252440.

The previous prime is 12757333. The next prime is 12757363. The reversal of 12757356 is 65375721.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×12757356² = 325500264221472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 354371 = 12757356 / (1 + 2 + 7 + 5 + 7 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 12757356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177150 + ... + 177221.

Almost surely, 2^12757356 is an apocalyptic number.

It is an amenable number.

12757356 is an abundant number, since it is smaller than the sum of its proper divisors (19490496).

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

12757356 is a wasteful number, since it uses less digits than its factorization.

12757356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354381 (or 354376 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 12757356 is about 3571.7441117751. The cubic root of 12757356 is about 233.6613554276.

The spelling of 12757356 in words is "twelve million, seven hundred fifty-seven thousand, three hundred fifty-six".