13969930 has 32 divisors (see below), whose sum is σ = 27751248. Its totient is φ = 5030400.

The previous prime is 13969927. The next prime is 13969973. The reversal of 13969930 is 3996931.

It can be written as a sum of positive squares in 8 ways, for example, as 2253001 + 11716929 = 1501^2 + 3423^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4020 + ... + 6640.

Almost surely, 2^13969930 is an apocalyptic number.

13969930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13969930 is a deficient number, since it is larger than the sum of its proper divisors (13781318).

13969930 is a wasteful number, since it uses less digits than its factorization.

13969930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 13969930 is about 3737.6369540125. The cubic root of 13969930 is about 240.8415480197.

The spelling of 13969930 in words is "thirteen million, nine hundred sixty-nine thousand, nine hundred thirty".