12974987 has 2 divisors, whose sum is σ = 12974988. Its totient is φ = 12974986.

The previous prime is 12974959. The next prime is 12974993. The reversal of 12974987 is 78947921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12974987 - 2¹⁶ = 12909451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12974917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6487493 + 6487494.

It is an arithmetic number, because the mean of its divisors is an integer number (6487494).

Almost surely, 2^12974987 is an apocalyptic number.

12974987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12974987 is an equidigital number, since it uses as much as digits as its factorization.

12974987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 12974987 is about 3602.0809263535. The cubic root of 12974987 is about 234.9825669881.

The spelling of 12974987 in words is "twelve million, nine hundred seventy-four thousand, nine hundred eighty-seven".