16317812 has 24 divisors (see below), whose sum is σ = 33397056. Its totient is φ = 6830208.

The previous prime is 16317797. The next prime is 16317839. The reversal of 16317812 is 21871361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5573 + ... + 7980.

It is an arithmetic number, because the mean of its divisors is an integer number (1391544).

Almost surely, 2^16317812 is an apocalyptic number.

It is an amenable number.

16317812 is an abundant number, since it is smaller than the sum of its proper divisors (17079244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16317812 is a wasteful number, since it uses less digits than its factorization.

16317812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13607 (or 13605 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 16317812 is about 4039.5311609146. The cubic root of 16317812 is about 253.6416920710.

The spelling of 16317812 in words is "sixteen million, three hundred seventeen thousand, eight hundred twelve".