12733613 has 4 divisors (see below), whose sum is σ = 12757440. Its totient is φ = 12709788.

The previous prime is 12733603. The next prime is 12733619. The reversal of 12733613 is 31633721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31633721 = 7 ⋅4519103.

It is a cyclic number.

It is not a de Polignac number, because 12733613 - 2⁴ = 12733597 is a prime.

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 (12733619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11093 + ... + 12186.

It is an arithmetic number, because the mean of its divisors is an integer number (3189360).

Almost surely, 2^12733613 is an apocalyptic number.

It is an amenable number.

12733613 is a deficient number, since it is larger than the sum of its proper divisors (23827).

12733613 is an equidigital number, since it uses as much as digits as its factorization.

12733613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23826.

The product of its digits is 2268, while the sum is 26.

The square root of 12733613 is about 3568.4188375245. The cubic root of 12733613 is about 233.5163079519.

The spelling of 12733613 in words is "twelve million, seven hundred thirty-three thousand, six hundred thirteen".