12738120 has 64 divisors (see below), whose sum is σ = 38629440. Its totient is φ = 3360000.

The previous prime is 12738119. The next prime is 12738133. The reversal of 12738120 is 2183721.

It is a super-2 number, since 2×12738120² = 324519402268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11595 + ... + 12645.

It is an arithmetic number, because the mean of its divisors is an integer number (603585).

Almost surely, 2^12738120 is an apocalyptic number.

12738120 is a gapful number since it is divisible by the number (10) 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 12738120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19314720).

12738120 is an abundant number, since it is smaller than the sum of its proper divisors (25891320).

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

12738120 is a wasteful number, since it uses less digits than its factorization.

12738120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12738120 is about 3569.0502938457. The cubic root of 12738120 is about 233.5438553535.

The spelling of 12738120 in words is "twelve million, seven hundred thirty-eight thousand, one hundred twenty".