10819213 has 4 divisors (see below), whose sum is σ = 10864348. Its totient is φ = 10774080.

The previous prime is 10819201. The next prime is 10819229. The reversal of 10819213 is 31291801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31291801 = 47 ⋅665783.

It can be written as a sum of positive squares in 2 ways, for example, as 6985449 + 3833764 = 2643^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 10819213 - 2⁵ = 10819181 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 (10819253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22206 + ... + 22687.

It is an arithmetic number, because the mean of its divisors is an integer number (2716087).

Almost surely, 2^10819213 is an apocalyptic number.

It is an amenable number.

10819213 is a deficient number, since it is larger than the sum of its proper divisors (45135).

10819213 is an equidigital number, since it uses as much as digits as its factorization.

10819213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45134.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 10819213 is about 3289.2572109824. The cubic root of 10819213 is about 221.1728887439.

It can be divided in two parts, 108 and 19213, that added together give a square (19321 = 139²).

The spelling of 10819213 in words is "ten million, eight hundred nineteen thousand, two hundred thirteen".