2812318 has 4 divisors (see below), whose sum is σ = 4218480. Its totient is φ = 1406158.

The previous prime is 2812307. The next prime is 2812319. The reversal of 2812318 is 8132182.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2812292 and 2812301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812319) by changing a digit.

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, 703078 + ... + 703081.

It is an arithmetic number, because the mean of its divisors is an integer number (1054620).

2^2812318 is an apocalyptic number.

2812318 is a deficient number, since it is larger than the sum of its proper divisors (1406162).

2812318 is a wasteful number, since it uses less digits than its factorization.

2812318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406161.

The product of its digits is 768, while the sum is 25.

The square root of 2812318 is about 1676.9967203307. The cubic root of 2812318 is about 141.1523594921.

The spelling of 2812318 in words is "two million, eight hundred twelve thousand, three hundred eighteen".