13464447 has 8 divisors (see below), whose sum is σ = 18531840. Its totient is φ = 8686680.

The previous prime is 13464433. The next prime is 13464463. The reversal of 13464447 is 74446431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13464447 - 2⁴ = 13464431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13462447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72297 + ... + 72482.

It is an arithmetic number, because the mean of its divisors is an integer number (2316480).

Almost surely, 2^13464447 is an apocalyptic number.

13464447 is a deficient number, since it is larger than the sum of its proper divisors (5067393).

13464447 is a wasteful number, since it uses less digits than its factorization.

13464447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144813.

The product of its digits is 32256, while the sum is 33.

The square root of 13464447 is about 3669.3932740986. The cubic root of 13464447 is about 237.9009485900.

The spelling of 13464447 in words is "thirteen million, four hundred sixty-four thousand, four hundred forty-seven".