13502730 has 32 divisors (see below), whose sum is σ = 34113600. Its totient is φ = 3411072.

The previous prime is 13502707. The next prime is 13502773. The reversal of 13502730 is 3720531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13502697 and 13502706.

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, 11275 + ... + 12414.

It is an arithmetic number, because the mean of its divisors is an integer number (1066050).

Almost surely, 2^13502730 is an apocalyptic number.

13502730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13502730 is an abundant number, since it is smaller than the sum of its proper divisors (20610870).

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

13502730 is a wasteful number, since it uses less digits than its factorization.

13502730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23718.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 13502730 is about 3674.6061013393. The cubic root of 13502730 is about 238.1262071019.

The spelling of 13502730 in words is "thirteen million, five hundred two thousand, seven hundred thirty".