13124560 has 20 divisors (see below), whose sum is σ = 30514788. Its totient is φ = 5249792.

The previous prime is 13124543. The next prime is 13124593. The reversal of 13124560 is 6542131.

It can be written as a sum of positive squares in 2 ways, for example, as 9709456 + 3415104 = 3116^2 + 1848^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81949 + ... + 82108.

Almost surely, 2^13124560 is an apocalyptic number.

13124560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124560 is an abundant number, since it is smaller than the sum of its proper divisors (17390228).

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

13124560 is a wasteful number, since it uses less digits than its factorization.

13124560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164070 (or 164064 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13124560 is about 3622.7834602692. The cubic root of 13124560 is about 235.8820630685.

Adding to 13124560 its reverse (6542131), we get a palindrome (19666691).

The spelling of 13124560 in words is "thirteen million, one hundred twenty-four thousand, five hundred sixty".