13446247447 has 8 divisors (see below), whose sum is σ = 13765104144. Its totient is φ = 13127670528.

The previous prime is 13446247433. The next prime is 13446247469. The reversal of 13446247447 is 74474264431.

13446247447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13446247447 - 2⁷ = 13446247319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13446247397 and 13446247406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13446247147) 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, 28953 + ... + 166525.

It is an arithmetic number, because the mean of its divisors is an integer number (1720638018).

Almost surely, 2^13446247447 is an apocalyptic number.

13446247447 is a deficient number, since it is larger than the sum of its proper divisors (318856697).

13446247447 is a wasteful number, since it uses less digits than its factorization.

13446247447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139889.

The product of its digits is 1806336, while the sum is 46.

The spelling of 13446247447 in words is "thirteen billion, four hundred forty-six million, two hundred forty-seven thousand, four hundred forty-seven".