13320481 has 8 divisors (see below), whose sum is σ = 13766184. Its totient is φ = 12879360.

The previous prime is 13320479. The next prime is 13320491. The reversal of 13320481 is 18402331.

13320481 is digitally balanced in base 3, 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 4 ways, for example, as 6843456 + 6477025 = 2616^2 + 2545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13320481 - 2¹ = 13320479 is a prime.

It is a super-2 number, since 2×13320481² = 354870428142722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5361 + ... + 7441.

It is an arithmetic number, because the mean of its divisors is an integer number (1720773).

Almost surely, 2^13320481 is an apocalyptic number.

It is an amenable number.

13320481 is a deficient number, since it is larger than the sum of its proper divisors (445703).

13320481 is a wasteful number, since it uses less digits than its factorization.

13320481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 13320481 is about 3649.7234141781. The cubic root of 13320481 is about 237.0500051749.

The spelling of 13320481 in words is "thirteen million, three hundred twenty thousand, four hundred eighty-one".