213076 has 6 divisors (see below), whose sum is σ = 372890. Its totient is φ = 106536.

The previous prime is 213067. The next prime is 213079. The reversal of 213076 is 670312.

It can be written as a sum of positive squares in only one way, i.e., 136900 + 76176 = 370^2 + 276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26631 + ... + 26638.

2²¹³⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

213076 is a deficient number, since it is larger than the sum of its proper divisors (159814).

213076 is a wasteful number, since it uses less digits than its factorization.

213076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53273 (or 53271 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 213076 is about 461.6015597894. The cubic root of 213076 is about 59.7280283120.

Adding to 213076 its reverse (670312), we get a palindrome (883388).

The spelling of 213076 in words is "two hundred thirteen thousand, seventy-six".