13416891 has 4 divisors (see below), whose sum is σ = 17889192. Its totient is φ = 8944592.

The previous prime is 13416863. The next prime is 13416917. The reversal of 13416891 is 19861431.

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

It is a cyclic number.

It is not a de Polignac number, because 13416891 - 2⁶ = 13416827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13416811) 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, 2236146 + ... + 2236151.

It is an arithmetic number, because the mean of its divisors is an integer number (4472298).

Almost surely, 2^13416891 is an apocalyptic number.

13416891 is a deficient number, since it is larger than the sum of its proper divisors (4472301).

13416891 is an equidigital number, since it uses as much as digits as its factorization.

13416891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472300.

The product of its digits is 5184, while the sum is 33.

The square root of 13416891 is about 3662.9074517383. The cubic root of 13416891 is about 237.6205319864.

The spelling of 13416891 in words is "thirteen million, four hundred sixteen thousand, eight hundred ninety-one".