13269881 has 2 divisors, whose sum is σ = 13269882. Its totient is φ = 13269880.

The previous prime is 13269871. The next prime is 13269901. The reversal of 13269881 is 18896231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11868025 + 1401856 = 3445^2 + 1184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13269881 is a prime.

It is a super-2 number, since 2×13269881² = 352179483508322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13269821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6634940 + 6634941.

It is an arithmetic number, because the mean of its divisors is an integer number (6634941).

Almost surely, 2^13269881 is an apocalyptic number.

It is an amenable number.

13269881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13269881 is an equidigital number, since it uses as much as digits as its factorization.

13269881 is an odious number, because the sum of its binary digits is odd.

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

The square root of 13269881 is about 3642.7847863963. The cubic root of 13269881 is about 236.7494667191.

The spelling of 13269881 in words is "thirteen million, two hundred sixty-nine thousand, eight hundred eighty-one".