16427812 has 6 divisors (see below), whose sum is σ = 28748678. Its totient is φ = 8213904.

The previous prime is 16427809. The next prime is 16427843. The reversal of 16427812 is 21872461.

It can be written as a sum of positive squares in only one way, i.e., 14561856 + 1865956 = 3816^2 + 1366^2 .

It is a super-3 number, since 3×16427812³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2053473 + ... + 2053480.

Almost surely, 2^16427812 is an apocalyptic number.

It is an amenable number.

16427812 is a deficient number, since it is larger than the sum of its proper divisors (12320866).

16427812 is a wasteful number, since it uses less digits than its factorization.

16427812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106957 (or 4106955 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 16427812 is about 4053.1237336158. The cubic root of 16427812 is about 254.2103574926.

The spelling of 16427812 in words is "sixteen million, four hundred twenty-seven thousand, eight hundred twelve".