12698863 has 2 divisors, whose sum is σ = 12698864. Its totient is φ = 12698862.

The previous prime is 12698849. The next prime is 12698869. The reversal of 12698863 is 36889621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12698863 - 2⁹ = 12698351 is a prime.

It is a super-2 number, since 2×12698863² = 322522242985538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12698869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349431 + 6349432.

It is an arithmetic number, because the mean of its divisors is an integer number (6349432).

Almost surely, 2^12698863 is an apocalyptic number.

12698863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12698863 is an equidigital number, since it uses as much as digits as its factorization.

12698863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 12698863 is about 3563.5464077236. The cubic root of 12698863 is about 233.3036926067.

It can be divided in two parts, 126 and 98863, that added together give a palindrome (98989).

The spelling of 12698863 in words is "twelve million, six hundred ninety-eight thousand, eight hundred sixty-three".