10871213 has 2 divisors, whose sum is σ = 10871214. Its totient is φ = 10871212.

The previous prime is 10871209. The next prime is 10871221. The reversal of 10871213 is 31217801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7496644 + 3374569 = 2738^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 10871213 - 2² = 10871209 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10871243) 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 as a sum of consecutive naturals, namely, 5435606 + 5435607.

It is an arithmetic number, because the mean of its divisors is an integer number (5435607).

Almost surely, 2^10871213 is an apocalyptic number.

It is an amenable number.

10871213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10871213 is an equidigital number, since it uses as much as digits as its factorization.

10871213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 10871213 is about 3297.1522561144. The cubic root of 10871213 is about 221.5266610456.

The spelling of 10871213 in words is "ten million, eight hundred seventy-one thousand, two hundred thirteen".