13697634 has 32 divisors (see below), whose sum is σ = 28071360. Its totient is φ = 4454912.

The previous prime is 13697623. The next prime is 13697639. The reversal of 13697634 is 43679631.

It is a junction number, because it is equal to n+sod(n) for n = 13697592 and 13697601.

It is not an unprimeable number, because it can be changed into a prime (13697639) 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, 60229 + ... + 60455.

It is an arithmetic number, because the mean of its divisors is an integer number (877230).

Almost surely, 2^13697634 is an apocalyptic number.

13697634 is an abundant number, since it is smaller than the sum of its proper divisors (14373726).

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

13697634 is a wasteful number, since it uses less digits than its factorization.

13697634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434.

The product of its digits is 81648, while the sum is 39.

The square root of 13697634 is about 3701.0314778451. The cubic root of 13697634 is about 239.2664756536.

The spelling of 13697634 in words is "thirteen million, six hundred ninety-seven thousand, six hundred thirty-four".