13008881 has 2 divisors, whose sum is σ = 13008882. Its totient is φ = 13008880.

The previous prime is 13008811. The next prime is 13008883. The reversal of 13008881 is 18880031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12496225 + 512656 = 3535^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 13008881 - 2¹⁸ = 12746737 is a prime.

It is a super-2 number, since 2×13008881² = 338461969744322, which contains 22 as substring.

Together with 13008883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13008883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6504440 + 6504441.

It is an arithmetic number, because the mean of its divisors is an integer number (6504441).

Almost surely, 2^13008881 is an apocalyptic number.

It is an amenable number.

13008881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13008881 is an equidigital number, since it uses as much as digits as its factorization.

13008881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 13008881 is about 3606.7826383080. The cubic root of 13008881 is about 235.1870006949.

The spelling of 13008881 in words is "thirteen million, eight thousand, eight hundred eighty-one".