11257872 has 20 divisors (see below), whose sum is σ = 29082960. Its totient is φ = 3752608.

The previous prime is 11257843. The next prime is 11257891. The reversal of 11257872 is 27875211.

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, 117222 + ... + 117317.

It is an arithmetic number, because the mean of its divisors is an integer number (1454148).

Almost surely, 2^11257872 is an apocalyptic number.

11257872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11257872 is an abundant number, since it is smaller than the sum of its proper divisors (17825088).

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

11257872 is a wasteful number, since it uses less digits than its factorization.

11257872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234550 (or 234544 counting only the distinct ones).

The product of its digits is 7840, while the sum is 33.

The square root of 11257872 is about 3355.2752495138. The cubic root of 11257872 is about 224.1224882805.

The spelling of 11257872 in words is "eleven million, two hundred fifty-seven thousand, eight hundred seventy-two".