13930013 has 8 divisors (see below), whose sum is σ = 14162040. Its totient is φ = 13699840.

The previous prime is 13930003. The next prime is 13930027. The reversal of 13930013 is 31003931.

13930013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 76729 + 13853284 = 277^2 + 3722^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13930013 - 2⁴ = 13929997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13930003) 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, 24731 + ... + 25287.

It is an arithmetic number, because the mean of its divisors is an integer number (1770255).

Almost surely, 2^13930013 is an apocalyptic number.

It is an amenable number.

13930013 is a deficient number, since it is larger than the sum of its proper divisors (232027).

13930013 is an equidigital number, since it uses as much as digits as its factorization.

13930013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 13930013 is about 3732.2932628613. The cubic root of 13930013 is about 240.6119395396.

Adding to 13930013 its reverse (31003931), we get a palindrome (44933944).

The spelling of 13930013 in words is "thirteen million, nine hundred thirty thousand, thirteen".