12088840 has 16 divisors (see below), whose sum is σ = 27199980. Its totient is φ = 4835520.

The previous prime is 12088837. The next prime is 12088861. The reversal of 12088840 is 4888021.

It can be written as a sum of positive squares in 2 ways, for example, as 12068676 + 20164 = 3474^2 + 142^2 .

It is a super-2 number, since 2×12088840² = 292280105091200, which contains 22 as substring.

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, 151071 + ... + 151150.

Almost surely, 2^12088840 is an apocalyptic number.

12088840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12088840 is an abundant number, since it is smaller than the sum of its proper divisors (15111140).

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

12088840 is a wasteful number, since it uses less digits than its factorization.

12088840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302232 (or 302228 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 12088840 is about 3476.9009189219. The cubic root of 12088840 is about 229.5064400457.

The spelling of 12088840 in words is "twelve million, eighty-eight thousand, eight hundred forty".