12736349 has 4 divisors (see below), whose sum is σ = 13485564. Its totient is φ = 11987136.

The previous prime is 12736337. The next prime is 12736351. The reversal of 12736349 is 94363721.

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 10725625 + 2010724 = 3275^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 12736349 - 2⁴ = 12736333 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 (12736309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374582 + ... + 374615.

It is an arithmetic number, because the mean of its divisors is an integer number (3371391).

Almost surely, 2^12736349 is an apocalyptic number.

It is an amenable number.

12736349 is a deficient number, since it is larger than the sum of its proper divisors (749215).

12736349 is an equidigital number, since it uses as much as digits as its factorization.

12736349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749214.

The product of its digits is 27216, while the sum is 35.

The square root of 12736349 is about 3568.8021800038. The cubic root of 12736349 is about 233.5330315340.

The spelling of 12736349 in words is "twelve million, seven hundred thirty-six thousand, three hundred forty-nine".