2666213 has 8 divisors (see below), whose sum is σ = 3061920. Its totient is φ = 2296080.

The previous prime is 2666201. The next prime is 2666221. The reversal of 2666213 is 3126662.

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

It is a cyclic number.

It is not a de Polignac number, because 2666213 - 2⁴ = 2666197 is a prime.

It is a super-2 number, since 2×2666213² = 14217383522738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6170 + ... + 6587.

It is an arithmetic number, because the mean of its divisors is an integer number (382740).

2^2666213 is an apocalyptic number.

It is an amenable number.

2666213 is a deficient number, since it is larger than the sum of its proper divisors (395707).

2666213 is a wasteful number, since it uses less digits than its factorization.

2666213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787.

The product of its digits is 2592, while the sum is 26.

The square root of 2666213 is about 1632.8542494663. The cubic root of 2666213 is about 138.6643905517.

The spelling of 2666213 in words is "two million, six hundred sixty-six thousand, two hundred thirteen".