13613530 has 16 divisors (see below), whose sum is σ = 28005120. Its totient is φ = 4667472.

The previous prime is 13613513. The next prime is 13613531. The reversal of 13613530 is 3531631.

It is not an unprimeable number, because it can be changed into a prime (13613531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97170 + ... + 97309.

It is an arithmetic number, because the mean of its divisors is an integer number (1750320).

Almost surely, 2^13613530 is an apocalyptic number.

13613530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13613530 is an abundant number, since it is smaller than the sum of its proper divisors (14391590).

13613530 is a wasteful number, since it uses less digits than its factorization.

13613530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194493.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 13613530 is about 3689.6517450838. The cubic root of 13613530 is about 238.7757681680.

The spelling of 13613530 in words is "thirteen million, six hundred thirteen thousand, five hundred thirty".