13512730 has 96 divisors (see below), whose sum is σ = 32503680. Its totient is φ = 3991680.

The previous prime is 13512703. The next prime is 13512731. The reversal of 13512730 is 3721531.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13512731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123916 + ... + 124024.

It is an arithmetic number, because the mean of its divisors is an integer number (338580).

Almost surely, 2^13512730 is an apocalyptic number.

13512730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13512730 is an abundant number, since it is smaller than the sum of its proper divisors (18990950).

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

13512730 is a wasteful number, since it uses less digits than its factorization.

13512730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13512730 is about 3675.9665395648. The cubic root of 13512730 is about 238.1849773028.

The spelling of 13512730 in words is "thirteen million, five hundred twelve thousand, seven hundred thirty".