12957353 has 4 divisors (see below), whose sum is σ = 13273428. Its totient is φ = 12641280.

The previous prime is 12957337. The next prime is 12957361. The reversal of 12957353 is 35375921.

It is a happy number.

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 3489424 + 9467929 = 1868^2 + 3077^2 .

It is a cyclic number.

It is not a de Polignac number, because 12957353 - 2⁴ = 12957337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12957253) 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, 157976 + ... + 158057.

It is an arithmetic number, because the mean of its divisors is an integer number (3318357).

Almost surely, 2^12957353 is an apocalyptic number.

It is an amenable number.

12957353 is a deficient number, since it is larger than the sum of its proper divisors (316075).

12957353 is an equidigital number, since it uses as much as digits as its factorization.

12957353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316074.

The product of its digits is 28350, while the sum is 35.

The square root of 12957353 is about 3599.6323423372. The cubic root of 12957353 is about 234.8760656303.

The spelling of 12957353 in words is "twelve million, nine hundred fifty-seven thousand, three hundred fifty-three".