213306677 has 8 divisors (see below), whose sum is σ = 215140800. Its totient is φ = 211478400.

The previous prime is 213306631. The next prime is 213306697. The reversal of 213306677 is 776603312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213306677 - 2¹⁶ = 213241141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213306697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100574 + ... + 102672.

It is an arithmetic number, because the mean of its divisors is an integer number (26892600).

Almost surely, 2^213306677 is an apocalyptic number.

It is an amenable number.

213306677 is a deficient number, since it is larger than the sum of its proper divisors (1834123).

213306677 is a wasteful number, since it uses less digits than its factorization.

213306677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 213306677 is about 14605.0223211058. The cubic root of 213306677 is about 597.4957447921.

Adding to 213306677 its reverse (776603312), we get a palindrome (989909989).

The spelling of 213306677 in words is "two hundred thirteen million, three hundred six thousand, six hundred seventy-seven".