12759951 has 4 divisors (see below), whose sum is σ = 17013272. Its totient is φ = 8506632.

The previous prime is 12759893. The next prime is 12759973. The reversal of 12759951 is 15995721.

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

It is not a de Polignac number, because 12759951 - 2⁷ = 12759823 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 (12759991) 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, 2126656 + ... + 2126661.

It is an arithmetic number, because the mean of its divisors is an integer number (4253318).

Almost surely, 2^12759951 is an apocalyptic number.

12759951 is a deficient number, since it is larger than the sum of its proper divisors (4253321).

12759951 is an equidigital number, since it uses as much as digits as its factorization.

12759951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253320.

The product of its digits is 28350, while the sum is 39.

The square root of 12759951 is about 3572.1073612085. The cubic root of 12759951 is about 233.6771975323.

The spelling of 12759951 in words is "twelve million, seven hundred fifty-nine thousand, nine hundred fifty-one".