4678812 has 18 divisors (see below), whose sum is σ = 11827088. Its totient is φ = 1559592.

The previous prime is 4678801. The next prime is 4678823. The reversal of 4678812 is 2188764.

It is an interprime number because it is at equal distance from previous prime (4678801) and next prime (4678823).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 129967 = 4678812 / (4 + 6 + 7 + 8 + 8 + 1 + 2).

It is a nialpdrome in base 9.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 64948 + ... + 65019.

Almost surely, 2^4678812 is an apocalyptic number.

It is an amenable number.

4678812 is an abundant number, since it is smaller than the sum of its proper divisors (7148276).

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

4678812 is a wasteful number, since it uses less digits than its factorization.

4678812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129977 (or 129972 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 4678812 is about 2163.0561712540. The cubic root of 4678812 is about 167.2547774246.

The spelling of 4678812 in words is "four million, six hundred seventy-eight thousand, eight hundred twelve".