13005597 has 16 divisors (see below), whose sum is σ = 19010880. Its totient is φ = 7843200.

The previous prime is 13005589. The next prime is 13005599. The reversal of 13005597 is 79550031.

It is a happy number.

It is not a de Polignac number, because 13005597 - 2³ = 13005589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13005599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6697 + ... + 8417.

It is an arithmetic number, because the mean of its divisors is an integer number (1188180).

Almost surely, 2^13005597 is an apocalyptic number.

It is an amenable number.

13005597 is a deficient number, since it is larger than the sum of its proper divisors (6005283).

13005597 is a wasteful number, since it uses less digits than its factorization.

13005597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 13005597 is about 3606.3273561894. The cubic root of 13005597 is about 235.1672085977.

The spelling of 13005597 in words is "thirteen million, five thousand, five hundred ninety-seven".