12613760 has 32 divisors (see below), whose sum is σ = 30156300. Its totient is φ = 5045248.

The previous prime is 12613721. The next prime is 12613823. The reversal of 12613760 is 6731621.

It can be written as a sum of positive squares in 2 ways, for example, as 12559936 + 53824 = 3544^2 + 232^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9215 + ... + 10494.

Almost surely, 2^12613760 is an apocalyptic number.

12613760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12613760 is an abundant number, since it is smaller than the sum of its proper divisors (17542540).

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

12613760 is an equidigital number, since it uses as much as digits as its factorization.

12613760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19728 (or 19716 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12613760 is about 3551.5855614077. The cubic root of 12613760 is about 232.7813528441.

The spelling of 12613760 in words is "twelve million, six hundred thirteen thousand, seven hundred sixty".