13990310 has 16 divisors (see below), whose sum is σ = 25443936. Its totient is φ = 5538048.

The previous prime is 13990283. The next prime is 13990313. The reversal of 13990310 is 1309931.

It is a super-2 number, since 2×13990310² = 391457547792200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13990310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13990313) 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, 6242 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (1590246).

Almost surely, 2^13990310 is an apocalyptic number.

13990310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13990310 is a deficient number, since it is larger than the sum of its proper divisors (11453626).

13990310 is a wasteful number, since it uses less digits than its factorization.

13990310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14527.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 13990310 is about 3740.3622819187. The cubic root of 13990310 is about 240.9586081585.

The spelling of 13990310 in words is "thirteen million, nine hundred ninety thousand, three hundred ten".