13297381 has 8 divisors (see below), whose sum is σ = 14171904. Its totient is φ = 12447600.

The previous prime is 13297369. The next prime is 13297391. The reversal of 13297381 is 18379231.

13297381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13297381 - 2⁷ = 13297253 is a prime.

It is a super-2 number, since 2×13297381² = 353640682918322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13297301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5070 + ... + 7231.

It is an arithmetic number, because the mean of its divisors is an integer number (1771488).

Almost surely, 2^13297381 is an apocalyptic number.

It is an amenable number.

13297381 is a deficient number, since it is larger than the sum of its proper divisors (874523).

13297381 is a wasteful number, since it uses less digits than its factorization.

13297381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371.

The product of its digits is 9072, while the sum is 34.

The square root of 13297381 is about 3646.5574176201. The cubic root of 13297381 is about 236.9128974251.

The spelling of 13297381 in words is "thirteen million, two hundred ninety-seven thousand, three hundred eighty-one".