13775513 has 8 divisors (see below), whose sum is σ = 14546400. Its totient is φ = 13009248.

The previous prime is 13775479. The next prime is 13775519. The reversal of 13775513 is 31557731.

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 13775513 - 2⁶ = 13775449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13775513.

It is not an unprimeable number, because it can be changed into a prime (13775519) 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, 6245 + ... + 8157.

It is an arithmetic number, because the mean of its divisors is an integer number (1818300).

Almost surely, 2^13775513 is an apocalyptic number.

It is an amenable number.

13775513 is a deficient number, since it is larger than the sum of its proper divisors (770887).

13775513 is a wasteful number, since it uses less digits than its factorization.

13775513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311.

The product of its digits is 11025, while the sum is 32.

The square root of 13775513 is about 3711.5378214428. The cubic root of 13775513 is about 239.7190752355.

The spelling of 13775513 in words is "thirteen million, seven hundred seventy-five thousand, five hundred thirteen".