213013799 has 4 divisors (see below), whose sum is σ = 213474336. Its totient is φ = 212553264.

The previous prime is 213013789. The next prime is 213013811. The reversal of 213013799 is 997310312.

213013799 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.

It is a cyclic number.

It is not a de Polignac number, because 213013799 - 2⁸ = 213013543 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 (213013789) 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, 229574 + ... + 230499.

It is an arithmetic number, because the mean of its divisors is an integer number (53368584).

Almost surely, 2^213013799 is an apocalyptic number.

213013799 is a deficient number, since it is larger than the sum of its proper divisors (460537).

213013799 is an equidigital number, since it uses as much as digits as its factorization.

213013799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460536.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 213013799 is about 14594.9922576204. The cubic root of 213013799 is about 597.2221582466. Note that the first 3 decimals are identical.

The spelling of 213013799 in words is "two hundred thirteen million, thirteen thousand, seven hundred ninety-nine".