12700613 has 4 divisors (see below), whose sum is σ = 12874668. Its totient is φ = 12526560.

The previous prime is 12700591. The next prime is 12700643. The reversal of 12700613 is 31600721.

It is a happy number.

12700613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7606564 + 5094049 = 2758^2 + 2257^2 .

It is a cyclic number.

It is not a de Polignac number, because 12700613 - 2¹² = 12696517 is a prime.

It is a super-2 number, since 2×12700613² = 322611141151538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86918 + ... + 87063.

It is an arithmetic number, because the mean of its divisors is an integer number (3218667).

Almost surely, 2^12700613 is an apocalyptic number.

It is an amenable number.

12700613 is a deficient number, since it is larger than the sum of its proper divisors (174055).

12700613 is an equidigital number, since it uses as much as digits as its factorization.

12700613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174054.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 12700613 is about 3563.7919411773. The cubic root of 12700613 is about 233.3144091228.

It can be divided in two parts, 1270061 and 3, that multiplied together give a palindrome (3810183).

The spelling of 12700613 in words is "twelve million, seven hundred thousand, six hundred thirteen".