13376381 has 2 divisors, whose sum is σ = 13376382. Its totient is φ = 13376380.

The previous prime is 13376369. The next prime is 13376401. The reversal of 13376381 is 18367331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 5480281 = 2810^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 13376381 - 2²² = 9182077 is a prime.

It is a super-2 number, since 2×13376381² = 357855137314322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13376981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6688190 + 6688191.

It is an arithmetic number, because the mean of its divisors is an integer number (6688191).

Almost surely, 2^13376381 is an apocalyptic number.

It is an amenable number.

13376381 is a deficient number, since it is larger than the sum of its proper divisors (1).

13376381 is an equidigital number, since it uses as much as digits as its factorization.

13376381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 13376381 is about 3657.3735111416. The cubic root of 13376381 is about 237.3811394163.

The spelling of 13376381 in words is "thirteen million, three hundred seventy-six thousand, three hundred eighty-one".