7286213 has 8 divisors (see below), whose sum is σ = 8001120. Its totient is φ = 6580080.

The previous prime is 7286197. The next prime is 7286219. The reversal of 7286213 is 3126827.

It is a happy number.

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 7286213 - 2⁴ = 7286197 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 2² + 8² + 6⁸ + 2⁴ + 1 + 3¹⁴ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7286219) 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, 383 + ... + 3836.

It is an arithmetic number, because the mean of its divisors is an integer number (1000140).

Almost surely, 2^7286213 is an apocalyptic number.

It is an amenable number.

7286213 is a deficient number, since it is larger than the sum of its proper divisors (714907).

7286213 is a wasteful number, since it uses less digits than its factorization.

7286213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387.

The product of its digits is 4032, while the sum is 29.

The square root of 7286213 is about 2699.2986126029. The cubic root of 7286213 is about 193.8655407969.

The spelling of 7286213 in words is "seven million, two hundred eighty-six thousand, two hundred thirteen".