13039730 has 16 divisors (see below), whose sum is σ = 25605504. Its totient is φ = 4741680.

The previous prime is 13039721. The next prime is 13039751. The reversal of 13039730 is 3793031.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13039730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59162 + ... + 59381.

It is an arithmetic number, because the mean of its divisors is an integer number (1600344).

Almost surely, 2^13039730 is an apocalyptic number.

13039730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13039730 is a deficient number, since it is larger than the sum of its proper divisors (12565774).

13039730 is a wasteful number, since it uses less digits than its factorization.

13039730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118561.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 13039730 is about 3611.0566320677. The cubic root of 13039730 is about 235.3727598522.

The spelling of 13039730 in words is "thirteen million, thirty-nine thousand, seven hundred thirty".