12761357 has 4 divisors (see below), whose sum is σ = 14584416. Its totient is φ = 10938300.

The previous prime is 12761351. The next prime is 12761377. The reversal of 12761357 is 75316721.

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: 75316721 = 1579 ⋅47699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12761357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12761351) 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, 911519 + ... + 911532.

It is an arithmetic number, because the mean of its divisors is an integer number (3646104).

Almost surely, 2^12761357 is an apocalyptic number.

It is an amenable number.

12761357 is a deficient number, since it is larger than the sum of its proper divisors (1823059).

12761357 is an equidigital number, since it uses as much as digits as its factorization.

12761357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823058.

The product of its digits is 8820, while the sum is 32.

The square root of 12761357 is about 3572.3041583829. The cubic root of 12761357 is about 233.6857800645.

The spelling of 12761357 in words is "twelve million, seven hundred sixty-one thousand, three hundred fifty-seven".