13091113 has 4 divisors (see below), whose sum is σ = 14961280. Its totient is φ = 11220948.

The previous prime is 13091107. The next prime is 13091119. The reversal of 13091113 is 31119031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31119031 = 367 ⋅84793.

It is an interprime number because it is at equal distance from previous prime (13091107) and next prime (13091119).

It is a cyclic number.

It is not a de Polignac number, because 13091113 - 2¹³ = 13082921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13091119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935073 + ... + 935086.

It is an arithmetic number, because the mean of its divisors is an integer number (3740320).

Almost surely, 2^13091113 is an apocalyptic number.

It is an amenable number.

13091113 is a deficient number, since it is larger than the sum of its proper divisors (1870167).

13091113 is an equidigital number, since it uses as much as digits as its factorization.

13091113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870166.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 13091113 is about 3618.1643135712. The cubic root of 13091113 is about 235.6815164381.

The spelling of 13091113 in words is "thirteen million, ninety-one thousand, one hundred thirteen".