213013776 has 40 divisors (see below), whose sum is σ = 561999744. Its totient is φ = 69493120.

The previous prime is 213013771. The next prime is 213013789. The reversal of 213013776 is 677310312.

It is not an unprimeable number, because it can be changed into a prime (213013771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44955 + ... + 49466.

Almost surely, 2^213013776 is an apocalyptic number.

It is an amenable number.

213013776 is an abundant number, since it is smaller than the sum of its proper divisors (348985968).

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

213013776 is a wasteful number, since it uses less digits than its factorization.

213013776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94479 (or 94473 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 213013776 is about 14594.9914696789. The cubic root of 213013776 is about 597.2221367517. Note that the first 3 decimals are identical.

The spelling of 213013776 in words is "two hundred thirteen million, thirteen thousand, seven hundred seventy-six".