10081213 has 4 divisors (see below), whose sum is σ = 10148128. Its totient is φ = 10014300.

The previous prime is 10081193. The next prime is 10081217. The reversal of 10081213 is 31218001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10081213 - 2¹⁷ = 9950141 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 (10081217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33231 + ... + 33532.

It is an arithmetic number, because the mean of its divisors is an integer number (2537032).

Almost surely, 2^10081213 is an apocalyptic number.

It is an amenable number.

10081213 is a deficient number, since it is larger than the sum of its proper divisors (66915).

10081213 is an equidigital number, since it uses as much as digits as its factorization.

10081213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66914.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 10081213 is about 3175.0925970749. The cubic root of 10081213 is about 216.0251242495.

Adding to 10081213 its reverse (31218001), we get a palindrome (41299214).

The spelling of 10081213 in words is "ten million, eighty-one thousand, two hundred thirteen".