13826993 has 2 divisors, whose sum is σ = 13826994. Its totient is φ = 13826992.

The previous prime is 13826983. The next prime is 13827007. The reversal of 13826993 is 39962831.

13826993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8596624 + 5230369 = 2932^2 + 2287^2 .

It is a cyclic number.

It is not a de Polignac number, because 13826993 - 2⁶ = 13826929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13826993.

It is not a weakly prime, because it can be changed into another prime (13826983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6913496 + 6913497.

It is an arithmetic number, because the mean of its divisors is an integer number (6913497).

Almost surely, 2^13826993 is an apocalyptic number.

It is an amenable number.

13826993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13826993 is an equidigital number, since it uses as much as digits as its factorization.

13826993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 13826993 is about 3718.4664849908. The cubic root of 13826993 is about 240.0173193520.

The spelling of 13826993 in words is "thirteen million, eight hundred twenty-six thousand, nine hundred ninety-three".