13125660 has 24 divisors (see below), whose sum is σ = 36752016. Its totient is φ = 3500160.

The previous prime is 13125653. The next prime is 13125667. The reversal of 13125660 is 6652131.

It is an interprime number because it is at equal distance from previous prime (13125653) and next prime (13125667).

It is a self number, because there is not a number n which added to its sum of digits gives 13125660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125667) 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, 109321 + ... + 109440.

It is an arithmetic number, because the mean of its divisors is an integer number (1531334).

Almost surely, 2^13125660 is an apocalyptic number.

13125660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13125660 is an abundant number, since it is smaller than the sum of its proper divisors (23626356).

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

13125660 is a wasteful number, since it uses less digits than its factorization.

13125660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218773 (or 218771 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13125660 is about 3622.9352740561. The cubic root of 13125660 is about 235.8886528264. Note that the first 3 decimals are identical.

Adding to 13125660 its reverse (6652131), we get a palindrome (19777791).

The spelling of 13125660 in words is "thirteen million, one hundred twenty-five thousand, six hundred sixty".