13257804 has 24 divisors (see below), whose sum is σ = 35354368. Its totient is φ = 3787920.

The previous prime is 13257793. The next prime is 13257817. The reversal of 13257804 is 40875231.

13257804 = T₆₁₇ + T₆₁₈ + ... + T₆₇₉.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78832 + ... + 78999.

Almost surely, 2^13257804 is an apocalyptic number.

13257804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13257804 is an abundant number, since it is smaller than the sum of its proper divisors (22096564).

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

13257804 is a wasteful number, since it uses less digits than its factorization.

13257804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157845 (or 157843 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13257804 is about 3641.1267486865. The cubic root of 13257804 is about 236.6776225394.

The spelling of 13257804 in words is "thirteen million, two hundred fifty-seven thousand, eight hundred four".