13601503 has 4 divisors (see below), whose sum is σ = 13621608. Its totient is φ = 13581400.

The previous prime is 13601501. The next prime is 13601521. The reversal of 13601503 is 30510631.

13601503 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13601503 - 2¹ = 13601501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601501) 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, 9001 + ... + 10402.

It is an arithmetic number, because the mean of its divisors is an integer number (3405402).

Almost surely, 2^13601503 is an apocalyptic number.

13601503 is a deficient number, since it is larger than the sum of its proper divisors (20105).

13601503 is an equidigital number, since it uses as much as digits as its factorization.

13601503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20104.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13601503 is about 3688.0215563361. The cubic root of 13601503 is about 238.7054312245.

The spelling of 13601503 in words is "thirteen million, six hundred one thousand, five hundred three".