213382727 has 4 divisors (see below), whose sum is σ = 218345160. Its totient is φ = 208420296.

The previous prime is 213382721. The next prime is 213382777. The reversal of 213382727 is 727283312.

It is a happy number.

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 213382727 - 2¹² = 213378631 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 (213382721) 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, 2481152 + ... + 2481237.

It is an arithmetic number, because the mean of its divisors is an integer number (54586290).

Almost surely, 2^213382727 is an apocalyptic number.

213382727 is a deficient number, since it is larger than the sum of its proper divisors (4962433).

213382727 is an equidigital number, since it uses as much as digits as its factorization.

213382727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962432.

The product of its digits is 28224, while the sum is 35.

The square root of 213382727 is about 14607.6256455319. The cubic root of 213382727 is about 597.5667445266.

The spelling of 213382727 in words is "two hundred thirteen million, three hundred eighty-two thousand, seven hundred twenty-seven".