13323881 has 2 divisors, whose sum is σ = 13323882. Its totient is φ = 13323880.

The previous prime is 13323859. The next prime is 13323901. The reversal of 13323881 is 18832331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 614656 = 3565^2 + 784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13323881 is a prime.

It is a super-2 number, since 2×13323881² = 355051609804322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13323841) 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, 6661940 + 6661941.

It is an arithmetic number, because the mean of its divisors is an integer number (6661941).

Almost surely, 2^13323881 is an apocalyptic number.

It is an amenable number.

13323881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13323881 is an equidigital number, since it uses as much as digits as its factorization.

13323881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 13323881 is about 3650.1891731799. The cubic root of 13323881 is about 237.0701721507.

The spelling of 13323881 in words is "thirteen million, three hundred twenty-three thousand, eight hundred eighty-one".