213886712 has 16 divisors (see below), whose sum is σ = 431886840. Its totient is φ = 98716896.

The previous prime is 213886711. The next prime is 213886723. The reversal of 213886712 is 217688312.

213886712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213886711) 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, 1028198 + ... + 1028405.

Almost surely, 2^213886712 is an apocalyptic number.

It is an amenable number.

213886712 is an abundant number, since it is smaller than the sum of its proper divisors (218000128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213886712 is a wasteful number, since it uses less digits than its factorization.

213886712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056622 (or 2056618 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 213886712 is about 14624.8662216104. The cubic root of 213886712 is about 598.0368354994.

The spelling of 213886712 in words is "two hundred thirteen million, eight hundred eighty-six thousand, seven hundred twelve".