13520798 has 4 divisors (see below), whose sum is σ = 20281200. Its totient is φ = 6760398.

The previous prime is 13520779. The next prime is 13520807. The reversal of 13520798 is 89702531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3380198 + ... + 3380201.

It is an arithmetic number, because the mean of its divisors is an integer number (5070300).

Almost surely, 2^13520798 is an apocalyptic number.

13520798 is a deficient number, since it is larger than the sum of its proper divisors (6760402).

13520798 is an equidigital number, since it uses as much as digits as its factorization.

13520798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760401.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13520798 is about 3677.0637742634. The cubic root of 13520798 is about 238.2323719711.

The spelling of 13520798 in words is "thirteen million, five hundred twenty thousand, seven hundred ninety-eight".