12087888 has 20 divisors (see below), whose sum is σ = 31227168. Its totient is φ = 4029280.

The previous prime is 12087877. The next prime is 12087899. The reversal of 12087888 is 88878021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12087877) and next prime (12087899).

It is a super-2 number, since 2×12087888² = 292234072601088, which contains 22 as substring.

It is a congruent number.

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, 125868 + ... + 125963.

Almost surely, 2^12087888 is an apocalyptic number.

It is an amenable number.

12087888 is an abundant number, since it is smaller than the sum of its proper divisors (19139280).

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

12087888 is a wasteful number, since it uses less digits than its factorization.

12087888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251842 (or 251836 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 42.

The square root of 12087888 is about 3476.7640126992. The cubic root of 12087888 is about 229.5004153191.

The spelling of 12087888 in words is "twelve million, eighty-seven thousand, eight hundred eighty-eight".