13002345 has 24 divisors (see below), whose sum is σ = 22745736. Its totient is φ = 6870528.

The previous prime is 13002323. The next prime is 13002377. The reversal of 13002345 is 54320031.

13002345 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20736 + 12981609 = 144^2 + 3603^2 .

It is not a de Polignac number, because 13002345 - 2⁵ = 13002313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3807 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (947739).

Almost surely, 2^13002345 is an apocalyptic number.

13002345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13002345 is a deficient number, since it is larger than the sum of its proper divisors (9743391).

13002345 is a wasteful number, since it uses less digits than its factorization.

13002345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13002345 is about 3605.8764537904. The cubic root of 13002345 is about 235.1476060755.

Adding to 13002345 its reverse (54320031), we get a palindrome (67322376).

The spelling of 13002345 in words is "thirteen million, two thousand, three hundred forty-five".