13002920 has 32 divisors (see below), whose sum is σ = 33436800. Its totient is φ = 4458048.

The previous prime is 13002917. The next prime is 13002923. The reversal of 13002920 is 2920031.

It is an interprime number because it is at equal distance from previous prime (13002917) and next prime (13002923).

It is not an unprimeable number, because it can be changed into a prime (13002923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22940 + ... + 23499.

It is an arithmetic number, because the mean of its divisors is an integer number (1044900).

Almost surely, 2^13002920 is an apocalyptic number.

13002920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13002920 is an abundant number, since it is smaller than the sum of its proper divisors (20433880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13002920 is a wasteful number, since it uses less digits than its factorization.

13002920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46457 (or 46453 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13002920 is about 3605.9561838713. The cubic root of 13002920 is about 235.1510723190.

Adding to 13002920 its reverse (2920031), we get a palindrome (15922951).

The spelling of 13002920 in words is "thirteen million, two thousand, nine hundred twenty".