213213008 has 10 divisors (see below), whose sum is σ = 413100234. Its totient is φ = 106606496.

The previous prime is 213213001. The next prime is 213213019. The reversal of 213213008 is 800312312.

213213008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 164044864 + 49168144 = 12808^2 + 7012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213213001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6662891 + ... + 6662922.

Almost surely, 2^213213008 is an apocalyptic number.

It is an amenable number.

213213008 is a deficient number, since it is larger than the sum of its proper divisors (199887226).

213213008 is a wasteful number, since it uses less digits than its factorization.

213213008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13325821 (or 13325815 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 213213008 is about 14601.8152296213. The cubic root of 213213008 is about 597.4082728887.

The spelling of 213213008 in words is "two hundred thirteen million, two hundred thirteen thousand, eight".