13540603 has 4 divisors (see below), whose sum is σ = 13556440. Its totient is φ = 13524768.

The previous prime is 13540601. The next prime is 13540627. The reversal of 13540603 is 30604531.

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 13540603 - 2¹ = 13540601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13540601) 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, 6558 + ... + 8371.

It is an arithmetic number, because the mean of its divisors is an integer number (3389110).

Almost surely, 2^13540603 is an apocalyptic number.

13540603 is a deficient number, since it is larger than the sum of its proper divisors (15837).

13540603 is an equidigital number, since it uses as much as digits as its factorization.

13540603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15836.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 13540603 is about 3679.7558342912. The cubic root of 13540603 is about 238.3486345934.

The spelling of 13540603 in words is "thirteen million, five hundred forty thousand, six hundred three".