13636746 has 24 divisors (see below), whose sum is σ = 30831840. Its totient is φ = 4347816.

The previous prime is 13636709. The next prime is 13636747. The reversal of 13636746 is 64763631.

It is a happy number.

13636746 is a `hidden beast` number, since 13 + 636 + 7 + 4 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 13636746.

It is not an unprimeable number, because it can be changed into a prime (13636747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16056 + ... + 16883.

It is an arithmetic number, because the mean of its divisors is an integer number (1284660).

Almost surely, 2^13636746 is an apocalyptic number.

13636746 is an abundant number, since it is smaller than the sum of its proper divisors (17195094).

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

13636746 is a wasteful number, since it uses less digits than its factorization.

13636746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32970 (or 32967 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 13636746 is about 3692.7965012982. The cubic root of 13636746 is about 238.9114241426.

The spelling of 13636746 in words is "thirteen million, six hundred thirty-six thousand, seven hundred forty-six".