15047 has 4 divisors (see below), whose sum is σ = 15456. Its totient is φ = 14640.

The previous prime is 15031. The next prime is 15053. The reversal of 15047 is 74051.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 15047 - 2⁴ = 15031 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 224.

It is an arithmetic number, because the mean of its divisors is an integer number (3864).

2¹⁵⁰⁴⁷ is an apocalyptic number.

15047 is a deficient number, since it is larger than the sum of its proper divisors (409).

15047 is an equidigital number, since it uses as much as digits as its factorization.

15047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 15047 is about 122.6662137673. Note that the first 3 decimals coincide. The cubic root of 15047 is about 24.6878521020.

Adding to 15047 its reverse (74051), we get a palindrome (89098).

The spelling of 15047 in words is "fifteen thousand, forty-seven".