11039213 has 4 divisors (see below), whose sum is σ = 11054268. Its totient is φ = 11024160.

The previous prime is 11039207. The next prime is 11039251. The reversal of 11039213 is 31293011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31293011 = 683 ⋅45817.

It can be written as a sum of positive squares in 2 ways, for example, as 195364 + 10843849 = 442^2 + 3293^2 .

It is a cyclic number.

It is not a de Polignac number, because 11039213 - 2¹² = 11035117 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 (11039263) 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, 6368 + ... + 7913.

It is an arithmetic number, because the mean of its divisors is an integer number (2763567).

Almost surely, 2^11039213 is an apocalyptic number.

It is an amenable number.

11039213 is a deficient number, since it is larger than the sum of its proper divisors (15055).

11039213 is an equidigital number, since it uses as much as digits as its factorization.

11039213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15054.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 11039213 is about 3322.5311134736. The cubic root of 11039213 is about 222.6619651419.

The spelling of 11039213 in words is "eleven million, thirty-nine thousand, two hundred thirteen".