11875720 has 32 divisors (see below), whose sum is σ = 26827200. Its totient is φ = 4731328.

The previous prime is 11875709. The next prime is 11875733. The reversal of 11875720 is 2757811.

It is a happy number.

It is an unprimeable number.

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, 13947 + ... + 14773.

It is an arithmetic number, because the mean of its divisors is an integer number (838350).

Almost surely, 2^11875720 is an apocalyptic number.

11875720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11875720 is an abundant number, since it is smaller than the sum of its proper divisors (14951480).

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

11875720 is a wasteful number, since it uses less digits than its factorization.

11875720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 11875720 is about 3446.1166550191. The cubic root of 11875720 is about 228.1497426094.

The spelling of 11875720 in words is "eleven million, eight hundred seventy-five thousand, seven hundred twenty".