12913488 has 120 divisors (see below), whose sum is σ = 43175808. Its totient is φ = 3522816.

The previous prime is 12913471. The next prime is 12913501. The reversal of 12913488 is 88431921.

It is a super-2 number, since 2×12913488² = 333516344652288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22906 + ... + 23462.

Almost surely, 2^12913488 is an apocalyptic number.

12913488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12913488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21587904).

12913488 is an abundant number, since it is smaller than the sum of its proper divisors (30262320).

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

12913488 is a wasteful number, since it uses less digits than its factorization.

12913488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 592 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 12913488 is about 3593.5341935204. The cubic root of 12913488 is about 234.6107211388.

The spelling of 12913488 in words is "twelve million, nine hundred thirteen thousand, four hundred eighty-eight".