12759157 has 4 divisors (see below), whose sum is σ = 12797356. Its totient is φ = 12720960.

The previous prime is 12759143. The next prime is 12759179. The reversal of 12759157 is 75195721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75195721 = 109 ⋅689869.

It can be written as a sum of positive squares in 2 ways, for example, as 8814961 + 3944196 = 2969^2 + 1986^2 .

It is a cyclic number.

It is not a de Polignac number, because 12759157 - 2⁷ = 12759029 is a prime.

It is a super-5 number, since 5×12759157⁵ (a number of 37 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12759557) 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, 18594 + ... + 19267.

It is an arithmetic number, because the mean of its divisors is an integer number (3199339).

Almost surely, 2^12759157 is an apocalyptic number.

It is an amenable number.

12759157 is a deficient number, since it is larger than the sum of its proper divisors (38199).

12759157 is an equidigital number, since it uses as much as digits as its factorization.

12759157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38198.

The product of its digits is 22050, while the sum is 37.

The square root of 12759157 is about 3571.9962206027. The cubic root of 12759157 is about 233.6723505036.

The spelling of 12759157 in words is "twelve million, seven hundred fifty-nine thousand, one hundred fifty-seven".