12988699 has 2 divisors, whose sum is σ = 12988700. Its totient is φ = 12988698.

The previous prime is 12988691. The next prime is 12988711. The reversal of 12988699 is 99688921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12988699 - 2³ = 12988691 is a prime.

It is not a weakly prime, because it can be changed into another prime (12988691) 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, 6494349 + 6494350.

It is an arithmetic number, because the mean of its divisors is an integer number (6494350).

Almost surely, 2^12988699 is an apocalyptic number.

12988699 is a deficient number, since it is larger than the sum of its proper divisors (1).

12988699 is an equidigital number, since it uses as much as digits as its factorization.

12988699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 52.

The square root of 12988699 is about 3603.9837679990. The cubic root of 12988699 is about 235.0653145749.

The spelling of 12988699 in words is "twelve million, nine hundred eighty-eight thousand, six hundred ninety-nine".