13456849 has 4 divisors (see below), whose sum is σ = 15379264. Its totient is φ = 11534436.

The previous prime is 13456829. The next prime is 13456853. The reversal of 13456849 is 94865431.

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.

It is a cyclic number.

It is not a de Polignac number, because 13456849 - 2⁹ = 13456337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13456819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961197 + ... + 961210.

It is an arithmetic number, because the mean of its divisors is an integer number (3844816).

Almost surely, 2^13456849 is an apocalyptic number.

It is an amenable number.

13456849 is a deficient number, since it is larger than the sum of its proper divisors (1922415).

13456849 is an equidigital number, since it uses as much as digits as its factorization.

13456849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922414.

The product of its digits is 103680, while the sum is 40.

The square root of 13456849 is about 3668.3578069758. The cubic root of 13456849 is about 237.8561909276.

The spelling of 13456849 in words is "thirteen million, four hundred fifty-six thousand, eight hundred forty-nine".