13240120 has 32 divisors (see below), whose sum is σ = 29963520. Its totient is φ = 5265280.

The previous prime is 13240109. The next prime is 13240141. The reversal of 13240120 is 2104231.

It is a super-2 number, since 2×13240120² = 350601555228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13240120.

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, 6774 + ... + 8506.

It is an arithmetic number, because the mean of its divisors is an integer number (936360).

Almost surely, 2^13240120 is an apocalyptic number.

13240120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240120 is an abundant number, since it is smaller than the sum of its proper divisors (16723400).

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

13240120 is a wasteful number, since it uses less digits than its factorization.

13240120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13240120 is about 3638.6975691860. The cubic root of 13240120 is about 236.5723444363.

Adding to 13240120 its reverse (2104231), we get a palindrome (15344351).

The spelling of 13240120 in words is "thirteen million, two hundred forty thousand, one hundred twenty".