671447013 has 8 divisors (see below), whose sum is σ = 895382400. Its totient is φ = 447571488.

The previous prime is 671447003. The next prime is 671447039. The reversal of 671447013 is 310744176.

671447013 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 not a de Polignac number, because 671447013 - 2¹² = 671442917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671447003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36273 + ... + 51561.

It is an arithmetic number, because the mean of its divisors is an integer number (111922800).

Almost surely, 2^671447013 is an apocalyptic number.

It is an amenable number.

671447013 is a deficient number, since it is larger than the sum of its proper divisors (223935387).

671447013 is a wasteful number, since it uses less digits than its factorization.

671447013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29931.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 671447013 is about 25912.2946301558. The cubic root of 671447013 is about 875.6635024065.

The spelling of 671447013 in words is "six hundred seventy-one million, four hundred forty-seven thousand, thirteen".