12137651 has 2 divisors, whose sum is σ = 12137652. Its totient is φ = 12137650.

The previous prime is 12137633. The next prime is 12137659. The reversal of 12137651 is 15673121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12137651 - 2¹⁴ = 12121267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12137651.

It is not a weakly prime, because it can be changed into another prime (12137659) 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, 6068825 + 6068826.

It is an arithmetic number, because the mean of its divisors is an integer number (6068826).

Almost surely, 2^12137651 is an apocalyptic number.

12137651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12137651 is an equidigital number, since it uses as much as digits as its factorization.

12137651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 12137651 is about 3483.9131734301. The cubic root of 12137651 is about 229.8149172650.

The spelling of 12137651 in words is "twelve million, one hundred thirty-seven thousand, six hundred fifty-one".