13630634 has 16 divisors (see below), whose sum is σ = 21877128. Its totient is φ = 6346752.

The previous prime is 13630621. The next prime is 13630637. The reversal of 13630634 is 43603631.

It can be written as a sum of positive squares in 4 ways, for example, as 13344409 + 286225 = 3653^2 + 535^2 .

It is a super-3 number, since 3×13630634³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13630637) 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, 1232 + ... + 5364.

Almost surely, 2^13630634 is an apocalyptic number.

13630634 is a deficient number, since it is larger than the sum of its proper divisors (8246494).

13630634 is a wasteful number, since it uses less digits than its factorization.

13630634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 13630634 is about 3691.9688514396. The cubic root of 13630634 is about 238.8757253809.

The spelling of 13630634 in words is "thirteen million, six hundred thirty thousand, six hundred thirty-four".