2813130 has 80 divisors (see below), whose sum is σ = 7945344. Its totient is φ = 712800.

The previous prime is 2813123. The next prime is 2813131. The reversal of 2813130 is 313182.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2813131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18555 + ... + 18705.

2^2813130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2813130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3972672).

2813130 is an abundant number, since it is smaller than the sum of its proper divisors (5132214).

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

2813130 is a wasteful number, since it uses less digits than its factorization.

2813130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2813130 is about 1677.2388023177. The cubic root of 2813130 is about 141.1659431488.

The spelling of 2813130 in words is "two million, eight hundred thirteen thousand, one hundred thirty".