13823959 has 2 divisors, whose sum is σ = 13823960. Its totient is φ = 13823958.

The previous prime is 13823951. The next prime is 13823987. The reversal of 13823959 is 95932831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13823959 - 2³ = 13823951 is a prime.

It is a super-2 number, since 2×13823959² = 382203684867362, 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 (13823951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6911979 + 6911980.

It is an arithmetic number, because the mean of its divisors is an integer number (6911980).

Almost surely, 2^13823959 is an apocalyptic number.

13823959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13823959 is an equidigital number, since it uses as much as digits as its factorization.

13823959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 13823959 is about 3718.0584987329. The cubic root of 13823959 is about 239.9997627312. Note that the first 3 decimals are identical.

The spelling of 13823959 in words is "thirteen million, eight hundred twenty-three thousand, nine hundred fifty-nine".