13990930 has 16 divisors (see below), whose sum is σ = 25248960. Its totient is φ = 5581872.

The previous prime is 13990927. The next prime is 13990943. The reversal of 13990930 is 3909931.

It is a happy number.

13990930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13990930² = 391492244529800, which contains 22 as substring.

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, 2797 + ... + 5983.

It is an arithmetic number, because the mean of its divisors is an integer number (1578060).

Almost surely, 2^13990930 is an apocalyptic number.

13990930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13990930 is a deficient number, since it is larger than the sum of its proper divisors (11258030).

13990930 is a wasteful number, since it uses less digits than its factorization.

13990930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 13990930 is about 3740.4451606727. The cubic root of 13990930 is about 240.9621675776.

The spelling of 13990930 in words is "thirteen million, nine hundred ninety thousand, nine hundred thirty".