13446980 has 12 divisors (see below), whose sum is σ = 28238700. Its totient is φ = 5378784.

The previous prime is 13446977. The next prime is 13446989. The reversal of 13446980 is 8964431.

13446980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3511876 + 9935104 = 1874^2 + 3152^2 .

It is a super-2 number, since 2×13446980² = 361642542240800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13446980.

It is not an unprimeable number, because it can be changed into a prime (13446989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336155 + ... + 336194.

It is an arithmetic number, because the mean of its divisors is an integer number (2353225).

Almost surely, 2^13446980 is an apocalyptic number.

13446980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13446980 is an abundant number, since it is smaller than the sum of its proper divisors (14791720).

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

13446980 is a wasteful number, since it uses less digits than its factorization.

13446980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672358 (or 672356 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 13446980 is about 3667.0124079419. The cubic root of 13446980 is about 237.7980302881.

The spelling of 13446980 in words is "thirteen million, four hundred forty-six thousand, nine hundred eighty".