16287912 has 32 divisors (see below), whose sum is σ = 45244800. Its totient is φ = 5429232.

The previous prime is 16287911. The next prime is 16287919. The reversal of 16287912 is 21978261.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16287911) 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, 37488 + ... + 37919.

It is an arithmetic number, because the mean of its divisors is an integer number (1413900).

Almost surely, 2^16287912 is an apocalyptic number.

16287912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16287912 is an abundant number, since it is smaller than the sum of its proper divisors (28956888).

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

16287912 is a wasteful number, since it uses less digits than its factorization.

16287912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75422 (or 75412 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 16287912 is about 4035.8285394699. The cubic root of 16287912 is about 253.4866769371.

The spelling of 16287912 in words is "sixteen million, two hundred eighty-seven thousand, nine hundred twelve".