13904530 has 16 divisors (see below), whose sum is σ = 25453440. Its totient is φ = 5467312.

The previous prime is 13904519. The next prime is 13904551. The reversal of 13904530 is 3540931.

It is a junction number, because it is equal to n+sod(n) for n = 13904495 and 13904504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11194 + ... + 12373.

It is an arithmetic number, because the mean of its divisors is an integer number (1590840).

Almost surely, 2^13904530 is an apocalyptic number.

13904530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13904530 is a deficient number, since it is larger than the sum of its proper divisors (11548910).

13904530 is a wasteful number, since it uses less digits than its factorization.

13904530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23633.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13904530 is about 3728.8778472886. The cubic root of 13904530 is about 240.4651280764.

The spelling of 13904530 in words is "thirteen million, nine hundred four thousand, five hundred thirty".