13491119 has 4 divisors (see below), whose sum is σ = 13956360. Its totient is φ = 13025880.

The previous prime is 13491113. The next prime is 13491131. The reversal of 13491119 is 91119431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13491119 is a prime.

It is a super-2 number, since 2×13491119² = 364020583744322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 465211 = 13491119 / (1 + 3 + 4 + 9 + 1 + 1 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13491091 and 13491100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13491113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232577 + ... + 232634.

It is an arithmetic number, because the mean of its divisors is an integer number (3489090).

Almost surely, 2^13491119 is an apocalyptic number.

13491119 is a deficient number, since it is larger than the sum of its proper divisors (465241).

13491119 is an equidigital number, since it uses as much as digits as its factorization.

13491119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465240.

The product of its digits is 972, while the sum is 29.

The square root of 13491119 is about 3673.0258643249. The cubic root of 13491119 is about 238.0579326053.

The spelling of 13491119 in words is "thirteen million, four hundred ninety-one thousand, one hundred nineteen".