13019900 has 18 divisors (see below), whose sum is σ = 28253400. Its totient is φ = 5207920.

The previous prime is 13019887. The next prime is 13019917. The reversal of 13019900 is 991031.

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, 65000 + ... + 65199.

Almost surely, 2^13019900 is an apocalyptic number.

13019900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13019900 is an abundant number, since it is smaller than the sum of its proper divisors (15233500).

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

13019900 is a wasteful number, since it uses less digits than its factorization.

13019900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130213 (or 130206 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 13019900 is about 3608.3098536572. The cubic root of 13019900 is about 235.2533859641.

The spelling of 13019900 in words is "thirteen million, nineteen thousand, nine hundred".