13346920 has 16 divisors (see below), whose sum is σ = 30030660. Its totient is φ = 5338752.

The previous prime is 13346903. The next prime is 13347031. The reversal of 13346920 is 2964331.

It can be written as a sum of positive squares in 2 ways, for example, as 12236004 + 1110916 = 3498^2 + 1054^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166797 + ... + 166876.

Almost surely, 2^13346920 is an apocalyptic number.

13346920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13346920 is an abundant number, since it is smaller than the sum of its proper divisors (16683740).

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

13346920 is a wasteful number, since it uses less digits than its factorization.

13346920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333684 (or 333680 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13346920 is about 3653.3436739513. The cubic root of 13346920 is about 237.2067368296.

The spelling of 13346920 in words is "thirteen million, three hundred forty-six thousand, nine hundred twenty".