13634936 has 32 divisors (see below), whose sum is σ = 29820000. Its totient is φ = 5842368.

The previous prime is 13634923. The next prime is 13634941. The reversal of 13634936 is 63943631.

It is a super-2 number, since 2×13634936² = 371822959448192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13634896 and 13634905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (931875).

Almost surely, 2^13634936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13634936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14910000).

13634936 is an abundant number, since it is smaller than the sum of its proper divisors (16185064).

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

13634936 is an equidigital number, since it uses as much as digits as its factorization.

13634936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996 (or 4978 counting only the distinct ones).

The product of its digits is 34992, while the sum is 35.

The square root of 13634936 is about 3692.5514214429. The cubic root of 13634936 is about 238.9008534680.

The spelling of 13634936 in words is "thirteen million, six hundred thirty-four thousand, nine hundred thirty-six".