13268819 has 2 divisors, whose sum is σ = 13268820. Its totient is φ = 13268818.

The previous prime is 13268813. The next prime is 13268839. The reversal of 13268819 is 91886231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13268819 - 2⁴ = 13268803 is a prime.

It is a super-2 number, since 2×13268819² = 352123115309522, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13268813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6634409 + 6634410.

It is an arithmetic number, because the mean of its divisors is an integer number (6634410).

Almost surely, 2^13268819 is an apocalyptic number.

13268819 is a deficient number, since it is larger than the sum of its proper divisors (1).

13268819 is an equidigital number, since it uses as much as digits as its factorization.

13268819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 13268819 is about 3642.6390158785. The cubic root of 13268819 is about 236.7431507961.

The spelling of 13268819 in words is "thirteen million, two hundred sixty-eight thousand, eight hundred nineteen".