13312830 has 16 divisors (see below), whose sum is σ = 31950864. Its totient is φ = 3550080.

The previous prime is 13312813. The next prime is 13312841. The reversal of 13312830 is 3821331.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13312797 and 13312806.

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 7 ways as a sum of consecutive naturals, for example, 221851 + ... + 221910.

It is an arithmetic number, because the mean of its divisors is an integer number (1996929).

Almost surely, 2^13312830 is an apocalyptic number.

13312830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13312830 is an abundant number, since it is smaller than the sum of its proper divisors (18638034).

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

13312830 is a wasteful number, since it uses less digits than its factorization.

13312830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443771.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13312830 is about 3648.6751020062. The cubic root of 13312830 is about 237.0046109947.

The spelling of 13312830 in words is "thirteen million, three hundred twelve thousand, eight hundred thirty".