15347223 has 6 divisors (see below), whose sum is σ = 22168224. Its totient is φ = 10231476.

The previous prime is 15347219. The next prime is 15347261. The reversal of 15347223 is 32274351.

It is not a de Polignac number, because 15347223 - 2² = 15347219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15347203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 852615 + ... + 852632.

It is an arithmetic number, because the mean of its divisors is an integer number (3694704).

Almost surely, 2^15347223 is an apocalyptic number.

15347223 is a deficient number, since it is larger than the sum of its proper divisors (6821001).

15347223 is a wasteful number, since it uses less digits than its factorization.

15347223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705253 (or 1705250 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 15347223 is about 3917.5531904494. The cubic root of 15347223 is about 248.5096558182.

The spelling of 15347223 in words is "fifteen million, three hundred forty-seven thousand, two hundred twenty-three".