2907213 has 4 divisors (see below), whose sum is σ = 3876288. Its totient is φ = 1938140.

The previous prime is 2907193. The next prime is 2907217. The reversal of 2907213 is 3127092.

2907213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2907213 - 2⁵ = 2907181 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2907217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484533 + ... + 484538.

It is an arithmetic number, because the mean of its divisors is an integer number (969072).

2^2907213 is an apocalyptic number.

It is an amenable number.

2907213 is a deficient number, since it is larger than the sum of its proper divisors (969075).

2907213 is an equidigital number, since it uses as much as digits as its factorization.

2907213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969074.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2907213 is about 1705.0551310735. The cubic root of 2907213 is about 142.7224472777.

It can be divided in two parts, 290 and 7213, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 2907213 in words is "two million, nine hundred seven thousand, two hundred thirteen".