13120450 has 48 divisors (see below), whose sum is σ = 29373120. Its totient is φ = 4259520.

The previous prime is 13120427. The next prime is 13120483. The reversal of 13120450 is 5402131.

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, 5664 + ... + 7636.

It is an arithmetic number, because the mean of its divisors is an integer number (611940).

Almost surely, 2^13120450 is an apocalyptic number.

13120450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13120450 is an abundant number, since it is smaller than the sum of its proper divisors (16252670).

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

13120450 is a wasteful number, since it uses less digits than its factorization.

13120450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13120450 is about 3622.2161724558. The cubic root of 13120450 is about 235.8574380780.

Adding to 13120450 its reverse (5402131), we get a palindrome (18522581).

The spelling of 13120450 in words is "thirteen million, one hundred twenty thousand, four hundred fifty".