12251357 has 2 divisors, whose sum is σ = 12251358. Its totient is φ = 12251356.

The previous prime is 12251299. The next prime is 12251359. The reversal of 12251357 is 75315221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9174841 + 3076516 = 3029^2 + 1754^2 .

It is a cyclic number.

It is not a de Polignac number, because 12251357 - 2²⁰ = 11202781 is a prime.

Together with 12251359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12251359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125678 + 6125679.

It is an arithmetic number, because the mean of its divisors is an integer number (6125679).

Almost surely, 2^12251357 is an apocalyptic number.

It is an amenable number.

12251357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12251357 is an equidigital number, since it uses as much as digits as its factorization.

12251357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 12251357 is about 3500.1938517745. The cubic root of 12251357 is about 230.5303263458.

Adding to 12251357 its reverse (75315221), we get a palindrome (87566578).

The spelling of 12251357 in words is "twelve million, two hundred fifty-one thousand, three hundred fifty-seven".