13139800 has 24 divisors (see below), whose sum is σ = 30550500. Its totient is φ = 5255840.

The previous prime is 13139783. The next prime is 13139821. The reversal of 13139800 is 893131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32650 + ... + 33049.

Almost surely, 2^13139800 is an apocalyptic number.

13139800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13139800 is an abundant number, since it is smaller than the sum of its proper divisors (17410700).

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

13139800 is a wasteful number, since it uses less digits than its factorization.

13139800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65715 (or 65706 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 13139800 is about 3624.8862051104. The cubic root of 13139800 is about 235.9733284040.

The spelling of 13139800 in words is "thirteen million, one hundred thirty-nine thousand, eight hundred".