12157337 has 2 divisors, whose sum is σ = 12157338. Its totient is φ = 12157336.

The previous prime is 12157333. The next prime is 12157367. The reversal of 12157337 is 73375121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6677056 + 5480281 = 2584^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 12157337 - 2² = 12157333 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12157333) 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, 6078668 + 6078669.

It is an arithmetic number, because the mean of its divisors is an integer number (6078669).

Almost surely, 2^12157337 is an apocalyptic number.

It is an amenable number.

12157337 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157337 is an equidigital number, since it uses as much as digits as its factorization.

12157337 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 12157337 is about 3486.7373001131. The cubic root of 12157337 is about 229.9390954049.

The spelling of 12157337 in words is "twelve million, one hundred fifty-seven thousand, three hundred thirty-seven".