13320477 has 8 divisors (see below), whose sum is σ = 19734080. Its totient is φ = 8880300.

The previous prime is 13320467. The next prime is 13320479. The reversal of 13320477 is 77402331.

It is not a de Polignac number, because 13320477 - 2⁸ = 13320221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 493351 = 13320477 / (1 + 3 + 3 + 2 + 0 + 4 + 7 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13320477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320479) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 246649 + ... + 246702.

It is an arithmetic number, because the mean of its divisors is an integer number (2466760).

Almost surely, 2^13320477 is an apocalyptic number.

It is an amenable number.

13320477 is a deficient number, since it is larger than the sum of its proper divisors (6413603).

13320477 is an equidigital number, since it uses as much as digits as its factorization.

13320477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493360 (or 493354 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 13320477 is about 3649.7228661913. The cubic root of 13320477 is about 237.0499814470.

The spelling of 13320477 in words is "thirteen million, three hundred twenty thousand, four hundred seventy-seven".