13630938 has 16 divisors (see below), whose sum is σ = 27709536. Its totient is φ = 4469040.

The previous prime is 13630937. The next prime is 13630997. The reversal of 13630938 is 83903631.

It is a junction number, because it is equal to n+sod(n) for n = 13630899 and 13630908.

It is not an unprimeable number, because it can be changed into a prime (13630933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18256 + ... + 18987.

It is an arithmetic number, because the mean of its divisors is an integer number (1731846).

Almost surely, 2^13630938 is an apocalyptic number.

13630938 is an abundant number, since it is smaller than the sum of its proper divisors (14078598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13630938 is a wasteful number, since it uses less digits than its factorization.

13630938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37309.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 13630938 is about 3692.0100216549. The cubic root of 13630938 is about 238.8775012259.

The spelling of 13630938 in words is "thirteen million, six hundred thirty thousand, nine hundred thirty-eight".