213646713 has 24 divisors (see below), whose sum is σ = 332101152. Its totient is φ = 121814784.

The previous prime is 213646687. The next prime is 213646723. The reversal of 213646713 is 317646312.

It is not a de Polignac number, because 213646713 - 2¹³ = 213638521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213646723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79081 + ... + 81737.

It is an arithmetic number, because the mean of its divisors is an integer number (13837548).

Almost surely, 2^213646713 is an apocalyptic number.

It is an amenable number.

213646713 is a deficient number, since it is larger than the sum of its proper divisors (118454439).

213646713 is a wasteful number, since it uses less digits than its factorization.

213646713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3214 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 213646713 is about 14616.6587495228. The cubic root of 213646713 is about 597.8130691291.

The spelling of 213646713 in words is "two hundred thirteen million, six hundred forty-six thousand, seven hundred thirteen".