13119091 has 4 divisors (see below), whose sum is σ = 13141312. Its totient is φ = 13096872.

The previous prime is 13119083. The next prime is 13119097. The reversal of 13119091 is 19091131.

13119091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19091131 = 823 ⋅23197.

It is a cyclic number.

It is not a de Polignac number, because 13119091 - 2³ = 13119083 is a prime.

It is a super-2 number, since 2×13119091² = 344221097332562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13119097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10200 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (3285328).

Almost surely, 2^13119091 is an apocalyptic number.

13119091 is a deficient number, since it is larger than the sum of its proper divisors (22221).

13119091 is an equidigital number, since it uses as much as digits as its factorization.

13119091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22220.

The product of its (nonzero) digits is 243, while the sum is 25.

The square root of 13119091 is about 3622.0285752600. The cubic root of 13119091 is about 235.8492945228.

The spelling of 13119091 in words is "thirteen million, one hundred nineteen thousand, ninety-one".