12792649 has 4 divisors (see below), whose sum is σ = 12886164. Its totient is φ = 12699136.

The previous prime is 12792641. The next prime is 12792679. The reversal of 12792649 is 94629721.

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 10368400 + 2424249 = 3220^2 + 1557^2 .

It is a cyclic number.

It is not a de Polignac number, because 12792649 - 2³ = 12792641 is a prime.

It is a super-3 number, since 3×12792649³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12792641) 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, 46552 + ... + 46825.

It is an arithmetic number, because the mean of its divisors is an integer number (3221541).

Almost surely, 2^12792649 is an apocalyptic number.

It is an amenable number.

12792649 is a deficient number, since it is larger than the sum of its proper divisors (93515).

12792649 is an equidigital number, since it uses as much as digits as its factorization.

12792649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93514.

The product of its digits is 54432, while the sum is 40.

The square root of 12792649 is about 3576.6812829773. The cubic root of 12792649 is about 233.8766303686.

The spelling of 12792649 in words is "twelve million, seven hundred ninety-two thousand, six hundred forty-nine".