13643804 has 12 divisors (see below), whose sum is σ = 24700200. Its totient is φ = 6586608.

The previous prime is 13643801. The next prime is 13643827. The reversal of 13643804 is 40834631.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13643801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58694 + ... + 58925.

It is an arithmetic number, because the mean of its divisors is an integer number (2058350).

Almost surely, 2^13643804 is an apocalyptic number.

It is an amenable number.

13643804 is a deficient number, since it is larger than the sum of its proper divisors (11056396).

13643804 is a wasteful number, since it uses less digits than its factorization.

13643804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117652 (or 117650 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 13643804 is about 3693.7520219961. The cubic root of 13643804 is about 238.9526350003.

The spelling of 13643804 in words is "thirteen million, six hundred forty-three thousand, eight hundred four".