10688999 has 2 divisors, whose sum is σ = 10689000. Its totient is φ = 10688998.

The previous prime is 10688981. The next prime is 10689011. The reversal of 10688999 is 99988601.

10688999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10688999 - 2¹⁶ = 10623463 is a prime.

It is a super-2 number, since 2×10688999² = 228509399244002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10688929) 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, 5344499 + 5344500.

It is an arithmetic number, because the mean of its divisors is an integer number (5344500).

Almost surely, 2^10688999 is an apocalyptic number.

10688999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10688999 is an equidigital number, since it uses as much as digits as its factorization.

10688999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 10688999 is about 3269.4034624072. The cubic root of 10688999 is about 220.2820006302.

The spelling of 10688999 in words is "ten million, six hundred eighty-eight thousand, nine hundred ninety-nine".