12005880 has 32 divisors (see below), whose sum is σ = 36018000. Its totient is φ = 3201536.

The previous prime is 12005879. The next prime is 12005881. The reversal of 12005880 is 8850021.

It is an interprime number because it is at equal distance from previous prime (12005879) and next prime (12005881).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12005880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005881) 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, 49905 + ... + 50144.

Almost surely, 2^12005880 is an apocalyptic number.

12005880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12005880 is an abundant number, since it is smaller than the sum of its proper divisors (24012120).

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

12005880 is a wasteful number, since it uses less digits than its factorization.

12005880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100063 (or 100059 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 12005880 is about 3464.9502160926. The cubic root of 12005880 is about 228.9802364032.

The spelling of 12005880 in words is "twelve million, five thousand, eight hundred eighty".