12730613 has 8 divisors (see below), whose sum is σ = 14734080. Its totient is φ = 10773360.

The previous prime is 12730609. The next prime is 12730621. The reversal of 12730613 is 31603721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12730613 - 2² = 12730609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730673) 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, 10958 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (1841760).

Almost surely, 2^12730613 is an apocalyptic number.

It is an amenable number.

12730613 is a deficient number, since it is larger than the sum of its proper divisors (2003467).

12730613 is an equidigital number, since it uses as much as digits as its factorization.

12730613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23107.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 12730613 is about 3567.9984585198. The cubic root of 12730613 is about 233.4979679373.

It can be divided in two parts, 1273061 and 3, that multiplied together give a palindrome (3819183).

The spelling of 12730613 in words is "twelve million, seven hundred thirty thousand, six hundred thirteen".