13356823 has 2 divisors, whose sum is σ = 13356824. Its totient is φ = 13356822.

The previous prime is 13356817. The next prime is 13356839. The reversal of 13356823 is 32865331.

It is a weak prime.

It is an emirp because it is prime and its reverse (32865331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13356823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13356323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6678411 + 6678412.

It is an arithmetic number, because the mean of its divisors is an integer number (6678412).

Almost surely, 2^13356823 is an apocalyptic number.

13356823 is a deficient number, since it is larger than the sum of its proper divisors (1).

13356823 is an equidigital number, since it uses as much as digits as its factorization.

13356823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 13356823 is about 3654.6987563957. The cubic root of 13356823 is about 237.2653890025.

The spelling of 13356823 in words is "thirteen million, three hundred fifty-six thousand, eight hundred twenty-three".