13246920 has 96 divisors (see below), whose sum is σ = 44478720. Its totient is φ = 3415680.

The previous prime is 13246907. The next prime is 13246931. The reversal of 13246920 is 2964231.

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, 10567 + ... + 11753.

It is an arithmetic number, because the mean of its divisors is an integer number (463320).

Almost surely, 2^13246920 is an apocalyptic number.

13246920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13246920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22239360).

13246920 is an abundant number, since it is smaller than the sum of its proper divisors (31231800).

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

13246920 is a wasteful number, since it uses less digits than its factorization.

13246920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 13246920 is about 3639.6318495145. The cubic root of 13246920 is about 236.6128379419.

It can be divided in two parts, 132 and 46920, that multiplied together give a triangular number (6193440 = T₃₅₁₉).

The spelling of 13246920 in words is "thirteen million, two hundred forty-six thousand, nine hundred twenty".