11859912 has 32 divisors (see below), whose sum is σ = 32944800. Its totient is φ = 3953232.

The previous prime is 11859907. The next prime is 11859917. The reversal of 11859912 is 21995811.

It is an interprime number because it is at equal distance from previous prime (11859907) and next prime (11859917).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11859917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27238 + ... + 27669.

It is an arithmetic number, because the mean of its divisors is an integer number (1029525).

Almost surely, 2^11859912 is an apocalyptic number.

11859912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11859912 is an abundant number, since it is smaller than the sum of its proper divisors (21084888).

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

11859912 is a wasteful number, since it uses less digits than its factorization.

11859912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54922 (or 54912 counting only the distinct ones).

The product of its digits is 6480, while the sum is 36.

The square root of 11859912 is about 3443.8222950669. The cubic root of 11859912 is about 228.0484661511.

The spelling of 11859912 in words is "eleven million, eight hundred fifty-nine thousand, nine hundred twelve".