11972512 has 24 divisors (see below), whose sum is σ = 24597216. Its totient is φ = 5725632.

The previous prime is 11972491. The next prime is 11972537. The reversal of 11972512 is 21527911.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7398 + ... + 8869.

It is an arithmetic number, because the mean of its divisors is an integer number (1024884).

Almost surely, 2^11972512 is an apocalyptic number.

It is an amenable number.

11972512 is an abundant number, since it is smaller than the sum of its proper divisors (12624704).

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

11972512 is a wasteful number, since it uses less digits than its factorization.

11972512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16300 (or 16292 counting only the distinct ones).

The product of its digits is 1260, while the sum is 28.

The square root of 11972512 is about 3460.1317893976. The cubic root of 11972512 is about 228.7679042791.

The spelling of 11972512 in words is "eleven million, nine hundred seventy-two thousand, five hundred twelve".