47000013 has 8 divisors (see below), whose sum is σ = 62716800. Its totient is φ = 31308288.

The previous prime is 47000011. The next prime is 47000059. The reversal of 47000013 is 31000074.

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

It is not a de Polignac number, because 47000013 - 2¹ = 47000011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46999956 and 47000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47000011) 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, 1333 + ... + 9786.

It is an arithmetic number, because the mean of its divisors is an integer number (7839600).

Almost surely, 2^47000013 is an apocalyptic number.

It is an amenable number.

47000013 is a deficient number, since it is larger than the sum of its proper divisors (15716787).

47000013 is a wasteful number, since it uses less digits than its factorization.

47000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 47000013 is about 6855.6555485234. The cubic root of 47000013 is about 360.8826412867.

Adding to 47000013 its reverse (31000074), we get a palindrome (78000087).

The spelling of 47000013 in words is "forty-seven million, thirteen", and thus it is an aban number and an uban number.