13648630 has 16 divisors (see below), whose sum is σ = 25139664. Its totient is φ = 5332320.

The previous prime is 13648619. The next prime is 13648681. The reversal of 13648630 is 3684631.

It is a junction number, because it is equal to n+sod(n) for n = 13648592 and 13648601.

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, 15441 + ... + 16300.

It is an arithmetic number, because the mean of its divisors is an integer number (1571229).

Almost surely, 2^13648630 is an apocalyptic number.

13648630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13648630 is a deficient number, since it is larger than the sum of its proper divisors (11491034).

13648630 is a wasteful number, since it uses less digits than its factorization.

13648630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31791.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 13648630 is about 3694.4052295329. The cubic root of 13648630 is about 238.9808052837.

The spelling of 13648630 in words is "thirteen million, six hundred forty-eight thousand, six hundred thirty".