12793457 has 2 divisors, whose sum is σ = 12793458. Its totient is φ = 12793456.

The previous prime is 12793433. The next prime is 12793463. The reversal of 12793457 is 75439721.

12793457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12737761 + 55696 = 3569^2 + 236^2 .

It is a cyclic number.

It is not a de Polignac number, because 12793457 - 2⁶ = 12793393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12793457.

It is not a weakly prime, because it can be changed into another prime (12793477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6396728 + 6396729.

It is an arithmetic number, because the mean of its divisors is an integer number (6396729).

Almost surely, 2^12793457 is an apocalyptic number.

It is an amenable number.

12793457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12793457 is an equidigital number, since it uses as much as digits as its factorization.

12793457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 12793457 is about 3576.7942350658. The cubic root of 12793457 is about 233.8815542469.

The spelling of 12793457 in words is "twelve million, seven hundred ninety-three thousand, four hundred fifty-seven".