13412491 has 4 divisors (see below), whose sum is σ = 13845184. Its totient is φ = 12979800.

The previous prime is 13412489. The next prime is 13412501. The reversal of 13412491 is 19421431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19421431 = 73 ⋅266047.

It is a cyclic number.

It is not a de Polignac number, because 13412491 - 2¹ = 13412489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13412891) 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, 216300 + ... + 216361.

It is an arithmetic number, because the mean of its divisors is an integer number (3461296).

Almost surely, 2^13412491 is an apocalyptic number.

13412491 is a deficient number, since it is larger than the sum of its proper divisors (432693).

13412491 is an equidigital number, since it uses as much as digits as its factorization.

13412491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432692.

The product of its digits is 864, while the sum is 25.

The square root of 13412491 is about 3662.3067867124. The cubic root of 13412491 is about 237.5945536716.

The spelling of 13412491 in words is "thirteen million, four hundred twelve thousand, four hundred ninety-one".