2813056 has 16 divisors (see below), whose sum is σ = 5604390. Its totient is φ = 1406464.

The previous prime is 2813053. The next prime is 2813071. The reversal of 2813056 is 6503182.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 379456 = 1560^2 + 616^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 2813056.

It is not an unprimeable number, because it can be changed into a prime (2813053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10861 + ... + 11116.

2^2813056 is an apocalyptic number.

It is an amenable number.

2813056 is a deficient number, since it is larger than the sum of its proper divisors (2791334).

2813056 is an equidigital number, since it uses as much as digits as its factorization.

2813056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21991 (or 21979 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2813056 is about 1677.2167421058. The cubic root of 2813056 is about 141.1647053376.

The spelling of 2813056 in words is "two million, eight hundred thirteen thousand, fifty-six".