13130688 has 28 divisors (see below), whose sum is σ = 34742120. Its totient is φ = 4376832.

The previous prime is 13130687. The next prime is 13130693. The reversal of 13130688 is 88603131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34003 + ... + 34386.

It is an arithmetic number, because the mean of its divisors is an integer number (1240790).

Almost surely, 2^13130688 is an apocalyptic number.

It is an amenable number.

13130688 is an abundant number, since it is smaller than the sum of its proper divisors (21611432).

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

13130688 is an equidigital number, since it uses as much as digits as its factorization.

13130688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68404 (or 68394 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13130688 is about 3623.6291200949. The cubic root of 13130688 is about 235.9187693243.

The spelling of 13130688 in words is "thirteen million, one hundred thirty thousand, six hundred eighty-eight".