11572572 has 24 divisors (see below), whose sum is σ = 29457792. Its totient is φ = 3506800.

The previous prime is 11572571. The next prime is 11572573. The reversal of 11572572 is 27527511.

It is an interprime number because it is at equal distance from previous prime (11572571) and next prime (11572573).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43704 + ... + 43967.

It is an arithmetic number, because the mean of its divisors is an integer number (1227408).

Almost surely, 2^11572572 is an apocalyptic number.

11572572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11572572 is an abundant number, since it is smaller than the sum of its proper divisors (17885220).

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

11572572 is a wasteful number, since it uses less digits than its factorization.

11572572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87689 (or 87687 counting only the distinct ones).

The product of its digits is 4900, while the sum is 30.

The square root of 11572572 is about 3401.8483211337. The cubic root of 11572572 is about 226.1916822110.

The spelling of 11572572 in words is "eleven million, five hundred seventy-two thousand, five hundred seventy-two".