13912630 has 16 divisors (see below), whose sum is σ = 26516160. Its totient is φ = 5237632.

The previous prime is 13912627. The next prime is 13912643. The reversal of 13912630 is 3621931.

It is a super-2 number, since 2×13912630² = 387122547033800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13912595 and 13912604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40750 + ... + 41089.

It is an arithmetic number, because the mean of its divisors is an integer number (1657260).

Almost surely, 2^13912630 is an apocalyptic number.

13912630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13912630 is a deficient number, since it is larger than the sum of its proper divisors (12603530).

13912630 is a wasteful number, since it uses less digits than its factorization.

13912630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81863.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 13912630 is about 3729.9638067949. The cubic root of 13912630 is about 240.5118128484.

It can be divided in two parts, 139 and 12630, that added together give a square (12769 = 113²).

The spelling of 13912630 in words is "thirteen million, nine hundred twelve thousand, six hundred thirty".