12973651 has 2 divisors, whose sum is σ = 12973652. Its totient is φ = 12973650.

The previous prime is 12973627. The next prime is 12973661. The reversal of 12973651 is 15637921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12973651 - 2⁹ = 12973139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12973661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6486825 + 6486826.

It is an arithmetic number, because the mean of its divisors is an integer number (6486826).

Almost surely, 2^12973651 is an apocalyptic number.

12973651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12973651 is an equidigital number, since it uses as much as digits as its factorization.

12973651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 12973651 is about 3601.8954732196. The cubic root of 12973651 is about 234.9745015340.

The spelling of 12973651 in words is "twelve million, nine hundred seventy-three thousand, six hundred fifty-one".