12756276 has 72 divisors (see below), whose sum is σ = 35208264. Its totient is φ = 3870720.

The previous prime is 12756253. The next prime is 12756311. The reversal of 12756276 is 67265721.

12756276 is a `hidden beast` number, since 1 + 27 + 5 + 627 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 853776 + 11902500 = 924^2 + 3450^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 12756276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45256 + ... + 45536.

Almost surely, 2^12756276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12756276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17604132).

12756276 is an abundant number, since it is smaller than the sum of its proper divisors (22451988).

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

12756276 is a wasteful number, since it uses less digits than its factorization.

12756276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 396 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 12756276 is about 3571.5929219327. The cubic root of 12756276 is about 233.6547615486.

The spelling of 12756276 in words is "twelve million, seven hundred fifty-six thousand, two hundred seventy-six".