12902137 has 2 divisors, whose sum is σ = 12902138. Its totient is φ = 12902136.

The previous prime is 12902117. The next prime is 12902189. The reversal of 12902137 is 73120921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 4116841 = 2964^2 + 2029^2 .

It is a cyclic number.

It is not a de Polignac number, because 12902137 - 2¹¹ = 12900089 is a prime.

It is not a weakly prime, because it can be changed into another prime (12902117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6451068 + 6451069.

It is an arithmetic number, because the mean of its divisors is an integer number (6451069).

Almost surely, 2^12902137 is an apocalyptic number.

It is an amenable number.

12902137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12902137 is an equidigital number, since it uses as much as digits as its factorization.

12902137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12902137 is about 3591.9544818942. The cubic root of 12902137 is about 234.5419597797.

The spelling of 12902137 in words is "twelve million, nine hundred two thousand, one hundred thirty-seven".