13630605 has 16 divisors (see below), whose sum is σ = 22757760. Its totient is φ = 6953408.

The previous prime is 13630601. The next prime is 13630621. The reversal of 13630605 is 50603631.

It is a cyclic number.

It is not a de Polignac number, because 13630605 - 2² = 13630601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13630601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19410 + ... + 20099.

It is an arithmetic number, because the mean of its divisors is an integer number (1422360).

Almost surely, 2^13630605 is an apocalyptic number.

13630605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13630605 is a deficient number, since it is larger than the sum of its proper divisors (9127155).

13630605 is a wasteful number, since it uses less digits than its factorization.

13630605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39540.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 13630605 is about 3691.9649239937. The cubic root of 13630605 is about 238.8755559732.

The spelling of 13630605 in words is "thirteen million, six hundred thirty thousand, six hundred five".