2724813 has 32 divisors (see below), whose sum is σ = 4972800. Its totient is φ = 1435968.

The previous prime is 2724803. The next prime is 2724829. The reversal of 2724813 is 3184272.

It is not a de Polignac number, because 2724813 - 2⁶ = 2724749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1903 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (155400).

2^2724813 is an apocalyptic number.

It is an amenable number.

2724813 is a deficient number, since it is larger than the sum of its proper divisors (2247987).

2724813 is a wasteful number, since it uses less digits than its factorization.

2724813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1132 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2724813 is about 1650.7007602833. The cubic root of 2724813 is about 139.6729269514.

It can be divided in two parts, 272481 and 3, that added together give a square (272484 = 522²).

The spelling of 2724813 in words is "two million, seven hundred twenty-four thousand, eight hundred thirteen".