13626396 has 72 divisors (see below), whose sum is σ = 41094144. Its totient is φ = 3722400.

The previous prime is 13626257. The next prime is 13626407. The reversal of 13626396 is 69362631.

13626396 is a `hidden beast` number, since 13 + 6 + 2 + 639 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13626396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4621 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (570752).

Almost surely, 2^13626396 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 13626396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20547072).

13626396 is an abundant number, since it is smaller than the sum of its proper divisors (27467748).

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

13626396 is a wasteful number, since it uses less digits than its factorization.

13626396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391 (or 2386 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 13626396 is about 3691.3948583158. The cubic root of 13626396 is about 238.8509659490.

The spelling of 13626396 in words is "thirteen million, six hundred twenty-six thousand, three hundred ninety-six".