13364491 has 4 divisors (see below), whose sum is σ = 15273712. Its totient is φ = 11455272.

The previous prime is 13364473. The next prime is 13364501. The reversal of 13364491 is 19446331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19446331 = 31 ⋅627301.

It is a cyclic number.

It is not a de Polignac number, because 13364491 - 2¹⁹ = 12840203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13364471) 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, 954600 + ... + 954613.

It is an arithmetic number, because the mean of its divisors is an integer number (3818428).

Almost surely, 2^13364491 is an apocalyptic number.

13364491 is a deficient number, since it is larger than the sum of its proper divisors (1909221).

13364491 is an equidigital number, since it uses as much as digits as its factorization.

13364491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909220.

The product of its digits is 7776, while the sum is 31.

The square root of 13364491 is about 3655.7476663468. The cubic root of 13364491 is about 237.3107841027.

The spelling of 13364491 in words is "thirteen million, three hundred sixty-four thousand, four hundred ninety-one".