10581213 has 4 divisors (see below), whose sum is σ = 14108288. Its totient is φ = 7054140.

The previous prime is 10581211. The next prime is 10581253. The reversal of 10581213 is 31218501.

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 not a de Polignac number, because 10581213 - 2¹ = 10581211 is a prime.

It is a super-2 number, since 2×10581213² = 223924137102738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10581213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10581211) 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 in 3 ways as a sum of consecutive naturals, for example, 1763533 + ... + 1763538.

It is an arithmetic number, because the mean of its divisors is an integer number (3527072).

Almost surely, 2^10581213 is an apocalyptic number.

It is an amenable number.

10581213 is a deficient number, since it is larger than the sum of its proper divisors (3527075).

10581213 is an equidigital number, since it uses as much as digits as its factorization.

10581213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527074.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 10581213 is about 3252.8776490978. The cubic root of 10581213 is about 219.5390693960.

Adding to 10581213 its reverse (31218501), we get a palindrome (41799714).

It can be divided in two parts, 105 and 81213, that added together give a palindrome (81318).

The spelling of 10581213 in words is "ten million, five hundred eighty-one thousand, two hundred thirteen".