7147213 has 4 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 7061020.

The previous prime is 7147199. The next prime is 7147219. The reversal of 7147213 is 3127417.

It is a happy number.

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 7147213 - 2⁹ = 7146701 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 (7147219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42973 + ... + 43138.

It is an arithmetic number, because the mean of its divisors is an integer number (1808352).

Almost surely, 2^7147213 is an apocalyptic number.

It is an amenable number.

7147213 is a deficient number, since it is larger than the sum of its proper divisors (86195).

7147213 is an equidigital number, since it uses as much as digits as its factorization.

7147213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86194.

The product of its digits is 1176, while the sum is 25.

The square root of 7147213 is about 2673.4272011783. The cubic root of 7147213 is about 192.6248181333.

The spelling of 7147213 in words is "seven million, one hundred forty-seven thousand, two hundred thirteen".