12626987 has 2 divisors, whose sum is σ = 12626988. Its totient is φ = 12626986.

The previous prime is 12626923. The next prime is 12626989. The reversal of 12626987 is 78962621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12626987 - 2⁶ = 12626923 is a prime.

Together with 12626989, 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 (12626989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313493 + 6313494.

It is an arithmetic number, because the mean of its divisors is an integer number (6313494).

Almost surely, 2^12626987 is an apocalyptic number.

12626987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12626987 is an equidigital number, since it uses as much as digits as its factorization.

12626987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 12626987 is about 3553.4471995514. The cubic root of 12626987 is about 232.8626905618.

The spelling of 12626987 in words is "twelve million, six hundred twenty-six thousand, nine hundred eighty-seven".