13426191 has 12 divisors (see below), whose sum is σ = 19844968. Its totient is φ = 8742384.

The previous prime is 13426187. The next prime is 13426199. The reversal of 13426191 is 19162431.

13426191 is a `hidden beast` number, since 1 + 3 + 42 + 619 + 1 = 666.

It is not a de Polignac number, because 13426191 - 2² = 13426187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13426199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16960 + ... + 17733.

Almost surely, 2^13426191 is an apocalyptic number.

13426191 is a deficient number, since it is larger than the sum of its proper divisors (6418777).

13426191 is a wasteful number, since it uses less digits than its factorization.

13426191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34742 (or 34739 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 13426191 is about 3664.1767151708. The cubic root of 13426191 is about 237.6754220139.

The spelling of 13426191 in words is "thirteen million, four hundred twenty-six thousand, one hundred ninety-one".