11912572 has 24 divisors (see below), whose sum is σ = 24232320. Its totient is φ = 5018160.

The previous prime is 11912569. The next prime is 11912581. The reversal of 11912572 is 27521911.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11912572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (1009680).

Almost surely, 2^11912572 is an apocalyptic number.

It is an amenable number.

11912572 is an abundant number, since it is smaller than the sum of its proper divisors (12319748).

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

11912572 is a wasteful number, since it uses less digits than its factorization.

11912572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281 (or 7279 counting only the distinct ones).

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

The square root of 11912572 is about 3451.4594014706. The cubic root of 11912572 is about 228.3854923140.

The spelling of 11912572 in words is "eleven million, nine hundred twelve thousand, five hundred seventy-two".