12888132 has 24 divisors (see below), whose sum is σ = 30772896. Its totient is φ = 4195968.

The previous prime is 12888131. The next prime is 12888143. The reversal of 12888132 is 23188821.

It is a super-2 number, since 2×12888132² = 332207892898848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12888093 and 12888102.

It is not an unprimeable number, because it can be changed into a prime (12888131) 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, 11973 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (1282204).

Almost surely, 2^12888132 is an apocalyptic number.

12888132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12888132 is an abundant number, since it is smaller than the sum of its proper divisors (17884764).

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

12888132 is a wasteful number, since it uses less digits than its factorization.

12888132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25027 (or 25025 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 12888132 is about 3590.0044568217. The cubic root of 12888132 is about 234.4570655906.

It can be divided in two parts, 1288813 and 2, that added together give a triangular number (1288815 = T₁₆₀₅).

The spelling of 12888132 in words is "twelve million, eight hundred eighty-eight thousand, one hundred thirty-two".