4012816 has 20 divisors (see below), whose sum is σ = 8232732. Its totient is φ = 1888256.

The previous prime is 4012783. The next prime is 4012829. The reversal of 4012816 is 6182104.

4012816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2572816 + 1440000 = 1604^2 + 1200^2 .

It is a super-2 number, since 2×4012816² = 32205384499712, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7105 + ... + 7648.

Almost surely, 2^4012816 is an apocalyptic number.

It is an amenable number.

4012816 is an abundant number, since it is smaller than the sum of its proper divisors (4219916).

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

4012816 is a wasteful number, since it uses less digits than its factorization.

4012816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14778 (or 14772 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 4012816 is about 2003.2014376992. The cubic root of 4012816 is about 158.9094588880.

The spelling of 4012816 in words is "four million, twelve thousand, eight hundred sixteen".