2660213 has 4 divisors (see below), whose sum is σ = 2672160. Its totient is φ = 2648268.

The previous prime is 2660183. The next prime is 2660219. The reversal of 2660213 is 3120662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2660213 - 2¹² = 2656117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5633 + ... + 6086.

It is an arithmetic number, because the mean of its divisors is an integer number (668040).

2^2660213 is an apocalyptic number.

It is an amenable number.

2660213 is a deficient number, since it is larger than the sum of its proper divisors (11947).

2660213 is a wasteful number, since it uses less digits than its factorization.

2660213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11946.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2660213 is about 1631.0159410625. The cubic root of 2660213 is about 138.5602964401.

Adding to 2660213 its reverse (3120662), we get a palindrome (5780875).

It can be divided in two parts, 2660 and 213, that multiplied together give a triangular number (566580 = T₁₀₆₄).

The spelling of 2660213 in words is "two million, six hundred sixty thousand, two hundred thirteen".