12013488 has 40 divisors (see below), whose sum is σ = 34484400. Its totient is φ = 4004352.

The previous prime is 12013481. The next prime is 12013499. The reversal of 12013488 is 88431021.

It is a super-2 number, since 2×12013488² = 288647787852288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12013481) 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, 13473 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (862110).

Almost surely, 2^12013488 is an apocalyptic number.

12013488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12013488 is an abundant number, since it is smaller than the sum of its proper divisors (22470912).

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

12013488 is a wasteful number, since it uses less digits than its factorization.

12013488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27826 (or 27814 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12013488 is about 3466.0478934948. The cubic root of 12013488 is about 229.0285936468.

The spelling of 12013488 in words is "twelve million, thirteen thousand, four hundred eighty-eight".