212706893 has 24 divisors (see below), whose sum is σ = 255104640. Its totient is φ = 176729280.

The previous prime is 212706883. The next prime is 212706899. The reversal of 212706893 is 398607212.

It is not a de Polignac number, because 212706893 - 2⁴ = 212706877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212706899) 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, 479930 + ... + 480372.

It is an arithmetic number, because the mean of its divisors is an integer number (10629360).

Almost surely, 2^212706893 is an apocalyptic number.

It is an amenable number.

212706893 is a deficient number, since it is larger than the sum of its proper divisors (42397747).

212706893 is a wasteful number, since it uses less digits than its factorization.

212706893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 212706893 is about 14584.4743820269. The cubic root of 212706893 is about 596.9351984933.

The spelling of 212706893 in words is "two hundred twelve million, seven hundred six thousand, eight hundred ninety-three".