13613364 has 18 divisors (see below), whose sum is σ = 34411650. Its totient is φ = 4537776.

The previous prime is 13613357. The next prime is 13613393. The reversal of 13613364 is 46331631.

13613364 is a `hidden beast` number, since 13 + 613 + 36 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 1710864 = 3450^2 + 1308^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189039 + ... + 189110.

Almost surely, 2^13613364 is an apocalyptic number.

It is an amenable number.

13613364 is an abundant number, since it is smaller than the sum of its proper divisors (20798286).

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

13613364 is a wasteful number, since it uses less digits than its factorization.

13613364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378159 (or 378154 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 13613364 is about 3689.6292496672. The cubic root of 13613364 is about 238.7747976400.

Adding to 13613364 its reverse (46331631), we get a palindrome (59944995).

The spelling of 13613364 in words is "thirteen million, six hundred thirteen thousand, three hundred sixty-four".