13390830 has 48 divisors (see below), whose sum is σ = 36335520. Its totient is φ = 3415104.

The previous prime is 13390823. The next prime is 13390841. The reversal of 13390830 is 3809331.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13390794 and 13390803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (756990).

Almost surely, 2^13390830 is an apocalyptic number.

13390830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13390830 is an abundant number, since it is smaller than the sum of its proper divisors (22944690).

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

13390830 is a wasteful number, since it uses less digits than its factorization.

13390830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505 (or 6502 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13390830 is about 3659.3483026353. The cubic root of 13390830 is about 237.4665807086.

The spelling of 13390830 in words is "thirteen million, three hundred ninety thousand, eight hundred thirty".