12137603 has 2 divisors, whose sum is σ = 12137604. Its totient is φ = 12137602.

The previous prime is 12137581. The next prime is 12137611. The reversal of 12137603 is 30673121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30673121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12137603 - 2⁸ = 12137347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12137633) 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, 6068801 + 6068802.

It is an arithmetic number, because the mean of its divisors is an integer number (6068802).

Almost surely, 2^12137603 is an apocalyptic number.

12137603 is a deficient number, since it is larger than the sum of its proper divisors (1).

12137603 is an equidigital number, since it uses as much as digits as its factorization.

12137603 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 23.

The square root of 12137603 is about 3483.9062846179. The cubic root of 12137603 is about 229.8146143198.

The spelling of 12137603 in words is "twelve million, one hundred thirty-seven thousand, six hundred three".