13930004 has 36 divisors (see below), whose sum is σ = 28388052. Its totient is φ = 5955840.

The previous prime is 13930003. The next prime is 13930027. The reversal of 13930004 is 40003931.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 5750404 = 2860^2 + 2398^2 .

It is a super-2 number, since 2×13930004² = 388090022880032, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 7382 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (788557).

Almost surely, 2^13930004 is an apocalyptic number.

It is an amenable number.

13930004 is an abundant number, since it is smaller than the sum of its proper divisors (14458048).

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

13930004 is a wasteful number, since it uses less digits than its factorization.

13930004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13930004 is about 3732.2920571681. The cubic root of 13930004 is about 240.6118877209.

Adding to 13930004 its reverse (40003931), we get a palindrome (53933935).

The spelling of 13930004 in words is "thirteen million, nine hundred thirty thousand, four".