12600491 has 2 divisors, whose sum is σ = 12600492. Its totient is φ = 12600490.

The previous prime is 12600473. The next prime is 12600493. The reversal of 12600491 is 19400621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12600491 - 2¹⁰ = 12599467 is a prime.

Together with 12600493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12600493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300245 + 6300246.

It is an arithmetic number, because the mean of its divisors is an integer number (6300246).

Almost surely, 2^12600491 is an apocalyptic number.

12600491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12600491 is an equidigital number, since it uses as much as digits as its factorization.

12600491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12600491 is about 3549.7170309758. The cubic root of 12600491 is about 232.6996997002.

The spelling of 12600491 in words is "twelve million, six hundred thousand, four hundred ninety-one".