13020344 has 16 divisors (see below), whose sum is σ = 24688800. Its totient is φ = 6436672.

The previous prime is 13020331. The next prime is 13020347. The reversal of 13020344 is 44302031.

13020344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020347) 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, 8432 + ... + 9855.

It is an arithmetic number, because the mean of its divisors is an integer number (1543050).

Almost surely, 2^13020344 is an apocalyptic number.

It is an amenable number.

13020344 is a deficient number, since it is larger than the sum of its proper divisors (11668456).

13020344 is a wasteful number, since it uses less digits than its factorization.

13020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18382 (or 18378 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13020344 is about 3608.3713777825. The cubic root of 13020344 is about 235.2560601094.

Adding to 13020344 its reverse (44302031), we get a palindrome (57322375).

The spelling of 13020344 in words is "thirteen million, twenty thousand, three hundred forty-four".