12913700 has 72 divisors (see below), whose sum is σ = 29867880. Its totient is φ = 4838400.

The previous prime is 12913697. The next prime is 12913709. The reversal of 12913700 is 731921.

It can be written as a sum of positive squares in 12 ways, for example, as 6522916 + 6390784 = 2554^2 + 2528^2 .

It is not an unprimeable number, because it can be changed into a prime (12913709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176864 + ... + 176936.

Almost surely, 2^12913700 is an apocalyptic number.

12913700 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 12913700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14933940).

12913700 is an abundant number, since it is smaller than the sum of its proper divisors (16954180).

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

12913700 is a wasteful number, since it uses less digits than its factorization.

12913700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 12913700 is about 3593.5636908228. The cubic root of 12913700 is about 234.6120049955.

The spelling of 12913700 in words is "twelve million, nine hundred thirteen thousand, seven hundred".