12453257 has 2 divisors, whose sum is σ = 12453258. Its totient is φ = 12453256.

The previous prime is 12453241. The next prime is 12453269. The reversal of 12453257 is 75235421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9369721 + 3083536 = 3061^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 12453257 - 2⁴ = 12453241 is a prime.

It is not a weakly prime, because it can be changed into another prime (12453157) 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 as a sum of consecutive naturals, namely, 6226628 + 6226629.

It is an arithmetic number, because the mean of its divisors is an integer number (6226629).

Almost surely, 2^12453257 is an apocalyptic number.

It is an amenable number.

12453257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453257 is an equidigital number, since it uses as much as digits as its factorization.

12453257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 29.

The square root of 12453257 is about 3528.9172560433. The cubic root of 12453257 is about 231.7897979625.

Adding to 12453257 its reverse (75235421), we get a palindrome (87688678).

The spelling of 12453257 in words is "twelve million, four hundred fifty-three thousand, two hundred fifty-seven".