12132756 has 18 divisors (see below), whose sum is σ = 30669002. Its totient is φ = 4044240.

The previous prime is 12132739. The next prime is 12132763. The reversal of 12132756 is 65723121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6081156 + 6051600 = 2466^2 + 2460^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168475 + ... + 168546.

Almost surely, 2^12132756 is an apocalyptic number.

It is an amenable number.

12132756 is an abundant number, since it is smaller than the sum of its proper divisors (18536246).

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

12132756 is a wasteful number, since it uses less digits than its factorization.

12132756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337031 (or 337026 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12132756 is about 3483.2105879490. The cubic root of 12132756 is about 229.7840190492.

Adding to 12132756 its reverse (65723121), we get a palindrome (77855877).

It can be divided in two parts, 1213 and 2756, that added together give a square (3969 = 63²).

The spelling of 12132756 in words is "twelve million, one hundred thirty-two thousand, seven hundred fifty-six".