13520753 has 4 divisors (see below), whose sum is σ = 13529328. Its totient is φ = 13512180.

The previous prime is 13520719. The next prime is 13520779. The reversal of 13520753 is 35702531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13520753 - 2⁸ = 13520497 is a prime.

It is a super-3 number, since 3×13520753³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13520053) 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, 1163 + ... + 5328.

It is an arithmetic number, because the mean of its divisors is an integer number (3382332).

Almost surely, 2^13520753 is an apocalyptic number.

It is an amenable number.

13520753 is a deficient number, since it is larger than the sum of its proper divisors (8575).

13520753 is an equidigital number, since it uses as much as digits as its factorization.

13520753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 13520753 is about 3677.0576552456. The cubic root of 13520753 is about 238.2321076753.

The spelling of 13520753 in words is "thirteen million, five hundred twenty thousand, seven hundred fifty-three".