212876613 has 8 divisors (see below), whose sum is σ = 315372800. Its totient is φ = 141917724.

The previous prime is 212876591. The next prime is 212876663. The reversal of 212876613 is 316678212.

It is not a de Polignac number, because 212876613 - 2²⁰ = 211828037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212876663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942133 + ... + 3942186.

It is an arithmetic number, because the mean of its divisors is an integer number (39421600).

Almost surely, 2^212876613 is an apocalyptic number.

It is an amenable number.

212876613 is a deficient number, since it is larger than the sum of its proper divisors (102496187).

212876613 is an equidigital number, since it uses as much as digits as its factorization.

212876613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884328 (or 7884322 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 212876613 is about 14590.2917380017. The cubic root of 212876613 is about 597.0939222448.

The spelling of 212876613 in words is "two hundred twelve million, eight hundred seventy-six thousand, six hundred thirteen".