12137357 has 2 divisors, whose sum is σ = 12137358. Its totient is φ = 12137356.

The previous prime is 12137347. The next prime is 12137387. The reversal of 12137357 is 75373121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8561476 + 3575881 = 2926^2 + 1891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12137357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12137347) 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 as a sum of consecutive naturals, namely, 6068678 + 6068679.

It is an arithmetic number, because the mean of its divisors is an integer number (6068679).

Almost surely, 2^12137357 is an apocalyptic number.

It is an amenable number.

12137357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12137357 is an equidigital number, since it uses as much as digits as its factorization.

12137357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 29.

The square root of 12137357 is about 3483.8709792413. The cubic root of 12137357 is about 229.8130617130.

The spelling of 12137357 in words is "twelve million, one hundred thirty-seven thousand, three hundred fifty-seven".