13032920 has 32 divisors (see below), whose sum is σ = 29635200. Its totient is φ = 5157888.

The previous prime is 13032911. The next prime is 13032949. The reversal of 13032920 is 2923031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13032892 and 13032901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201 + ... + 5559.

It is an arithmetic number, because the mean of its divisors is an integer number (926100).

Almost surely, 2^13032920 is an apocalyptic number.

13032920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13032920 is an abundant number, since it is smaller than the sum of its proper divisors (16602280).

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

13032920 is a wasteful number, since it uses less digits than its factorization.

13032920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467 (or 3463 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13032920 is about 3610.1135716207. The cubic root of 13032920 is about 235.3317782365.

Adding to 13032920 its reverse (2923031), we get a palindrome (15955951).

The spelling of 13032920 in words is "thirteen million, thirty-two thousand, nine hundred twenty".