7133215 has 4 divisors (see below), whose sum is σ = 8559864. Its totient is φ = 5706568.

The previous prime is 7133207. The next prime is 7133219. The reversal of 7133215 is 5123317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7133215 - 2³ = 7133207 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 (7133219) 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, 713317 + ... + 713326.

It is an arithmetic number, because the mean of its divisors is an integer number (2139966).

Almost surely, 2^7133215 is an apocalyptic number.

7133215 is a deficient number, since it is larger than the sum of its proper divisors (1426649).

7133215 is a wasteful number, since it uses less digits than its factorization.

7133215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426648.

The product of its digits is 630, while the sum is 22.

The square root of 7133215 is about 2670.8079301964. The cubic root of 7133215 is about 192.4989823975.

The spelling of 7133215 in words is "seven million, one hundred thirty-three thousand, two hundred fifteen".