13520703 has 16 divisors (see below), whose sum is σ = 20655360. Its totient is φ = 7706496.

The previous prime is 13520677. The next prime is 13520719. The reversal of 13520703 is 30702531.

It is a happy number.

It is not a de Polignac number, because 13520703 - 2¹⁰ = 13519679 is a prime.

It is a super-2 number, since 2×13520703² = 365618819228418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13520703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13351 + ... + 14327.

It is an arithmetic number, because the mean of its divisors is an integer number (1290960).

Almost surely, 2^13520703 is an apocalyptic number.

13520703 is a deficient number, since it is larger than the sum of its proper divisors (7134657).

13520703 is an equidigital number, since it uses as much as digits as its factorization.

13520703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 13520703 is about 3677.0508563249. The cubic root of 13520703 is about 238.2318140127.

The spelling of 13520703 in words is "thirteen million, five hundred twenty thousand, seven hundred three".