13345539 has 16 divisors (see below), whose sum is σ = 18520320. Its totient is φ = 8537760.

The previous prime is 13345513. The next prime is 13345571. The reversal of 13345539 is 93554331.

It is not a de Polignac number, because 13345539 - 2⁹ = 13345027 is a prime.

It is a super-2 number, since 2×13345539² = 356206822401042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13345439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17994 + ... + 18720.

It is an arithmetic number, because the mean of its divisors is an integer number (1157520).

Almost surely, 2^13345539 is an apocalyptic number.

13345539 is a deficient number, since it is larger than the sum of its proper divisors (5174781).

13345539 is a wasteful number, since it uses less digits than its factorization.

13345539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970.

The product of its digits is 24300, while the sum is 33.

The square root of 13345539 is about 3653.1546641225. The cubic root of 13345539 is about 237.1985553215.

The spelling of 13345539 in words is "thirteen million, three hundred forty-five thousand, five hundred thirty-nine".