13859804 has 24 divisors (see below), whose sum is σ = 28398048. Its totient is φ = 5794560.

The previous prime is 13859771. The next prime is 13859809. The reversal of 13859804 is 40895831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13859809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4889 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (1183252).

Almost surely, 2^13859804 is an apocalyptic number.

13859804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13859804 is an abundant number, since it is smaller than the sum of its proper divisors (14538244).

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

13859804 is a wasteful number, since it uses less digits than its factorization.

13859804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125 (or 12123 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 13859804 is about 3722.8757701540. The cubic root of 13859804 is about 240.2070204500.

The spelling of 13859804 in words is "thirteen million, eight hundred fifty-nine thousand, eight hundred four".