13268091 has 8 divisors (see below), whose sum is σ = 17708544. Its totient is φ = 8836520.

The previous prime is 13268083. The next prime is 13268113. The reversal of 13268091 is 19086231.

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

It is a cyclic number.

It is not a de Polignac number, because 13268091 - 2³ = 13268083 is a prime.

It is a super-3 number, since 3×13268091³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13268011) 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, 3070 + ... + 5996.

It is an arithmetic number, because the mean of its divisors is an integer number (2213568).

Almost surely, 2^13268091 is an apocalyptic number.

13268091 is a deficient number, since it is larger than the sum of its proper divisors (4440453).

13268091 is a wasteful number, since it uses less digits than its factorization.

13268091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 13268091 is about 3642.5390869557. The cubic root of 13268091 is about 236.7388210421.

The spelling of 13268091 in words is "thirteen million, two hundred sixty-eight thousand, ninety-one".