11913572 has 12 divisors (see below), whose sum is σ = 22744176. Its totient is φ = 5415240.

The previous prime is 11913553. The next prime is 11913581. The reversal of 11913572 is 27531911.

11913572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 135338 + ... + 135425.

It is an arithmetic number, because the mean of its divisors is an integer number (1895348).

Almost surely, 2^11913572 is an apocalyptic number.

It is an amenable number.

11913572 is a deficient number, since it is larger than the sum of its proper divisors (10830604).

11913572 is a wasteful number, since it uses less digits than its factorization.

11913572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270778 (or 270776 counting only the distinct ones).

The product of its digits is 1890, while the sum is 29.

The square root of 11913572 is about 3451.6042646862. The cubic root of 11913572 is about 228.3918827365.

The spelling of 11913572 in words is "eleven million, nine hundred thirteen thousand, five hundred seventy-two".