13456433 has 4 divisors (see below), whose sum is σ = 13483380. Its totient is φ = 13429488.

The previous prime is 13456363. The next prime is 13456439. The reversal of 13456433 is 33465431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11075584 + 2380849 = 3328^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 13456433 - 2¹² = 13452337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13456396 and 13456405.

It is not an unprimeable number, because it can be changed into a prime (13456439) 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, 12710 + ... + 13727.

It is an arithmetic number, because the mean of its divisors is an integer number (3370845).

Almost surely, 2^13456433 is an apocalyptic number.

It is an amenable number.

13456433 is a deficient number, since it is larger than the sum of its proper divisors (26947).

13456433 is an equidigital number, since it uses as much as digits as its factorization.

13456433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26946.

The product of its digits is 12960, while the sum is 29.

The square root of 13456433 is about 3668.3011054165. The cubic root of 13456433 is about 237.8537399032.

The spelling of 13456433 in words is "thirteen million, four hundred fifty-six thousand, four hundred thirty-three".