2766213 has 12 divisors (see below), whose sum is σ = 4013100. Its totient is φ = 1836096.

The previous prime is 2766199. The next prime is 2766217. The reversal of 2766213 is 3126672.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2566404 + 199809 = 1602^2 + 447^2 .

It is not a de Polignac number, because 2766213 - 2¹² = 2762117 is a prime.

It is a super-2 number, since 2×2766213² = 15303868722738, which contains 22 as substring.

It is a Curzon number.

2766213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2113 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (334425).

2^2766213 is an apocalyptic number.

It is an amenable number.

2766213 is a deficient number, since it is larger than the sum of its proper divisors (1246887).

2766213 is a wasteful number, since it uses less digits than its factorization.

2766213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1345 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2766213 is about 1663.1936147064. The cubic root of 2766213 is about 140.3767572989.

The spelling of 2766213 in words is "two million, seven hundred sixty-six thousand, two hundred thirteen".