2813018 has 8 divisors (see below), whose sum is σ = 4544148. Its totient is φ = 1298304.

The previous prime is 2813011. The next prime is 2813039. The reversal of 2813018 is 8103182.

It can be written as a sum of positive squares in 2 ways, for example, as 2699449 + 113569 = 1643^2 + 337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2812984 and 2813002.

It is not an unprimeable number, because it can be changed into a prime (2813011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54071 + ... + 54122.

2^2813018 is an apocalyptic number.

2813018 is a deficient number, since it is larger than the sum of its proper divisors (1731130).

2813018 is a wasteful number, since it uses less digits than its factorization.

2813018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108208.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 2813018 is about 1677.2054137761. The cubic root of 2813018 is about 141.1640696964.

The spelling of 2813018 in words is "two million, eight hundred thirteen thousand, eighteen".