11712772 has 12 divisors (see below), whose sum is σ = 20560540. Its totient is φ = 5838336.

The previous prime is 11712763. The next prime is 11712787. The reversal of 11712772 is 27721711.

It can be written as a sum of positive squares in 2 ways, for example, as 7150276 + 4562496 = 2674^2 + 2136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11712772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2997 + ... + 5692.

Almost surely, 2^11712772 is an apocalyptic number.

It is an amenable number.

11712772 is a deficient number, since it is larger than the sum of its proper divisors (8847768).

11712772 is a wasteful number, since it uses less digits than its factorization.

11712772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030 (or 9028 counting only the distinct ones).

The product of its digits is 1372, while the sum is 28.

The square root of 11712772 is about 3422.3927302401. The cubic root of 11712772 is about 227.1014444345.

The spelling of 11712772 in words is "eleven million, seven hundred twelve thousand, seven hundred seventy-two".