16312047 has 8 divisors (see below), whose sum is σ = 21835056. Its totient is φ = 10831872.

The previous prime is 16312039. The next prime is 16312063. The reversal of 16312047 is 74021361.

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

It is not a de Polignac number, because 16312047 - 2³ = 16312039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16314047) 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, 9808 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (2729382).

Almost surely, 2^16312047 is an apocalyptic number.

16312047 is a deficient number, since it is larger than the sum of its proper divisors (5523009).

16312047 is a wasteful number, since it uses less digits than its factorization.

16312047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21417.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 16312047 is about 4038.8175249694. The cubic root of 16312047 is about 253.6118184460.

The spelling of 16312047 in words is "sixteen million, three hundred twelve thousand, forty-seven".