11263213 has 8 divisors (see below), whose sum is σ = 12175128. Its totient is φ = 10357824.

The previous prime is 11263193. The next prime is 11263229. The reversal of 11263213 is 31236211.

It can be written as a sum of positive squares in 4 ways, for example, as 1004004 + 10259209 = 1002^2 + 3203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11263213 - 2¹³ = 11255021 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 (11263283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (1521891).

Almost surely, 2^11263213 is an apocalyptic number.

11263213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11263213 is a deficient number, since it is larger than the sum of its proper divisors (911915).

11263213 is a wasteful number, since it uses less digits than its factorization.

11263213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263.

The product of its digits is 216, while the sum is 19.

The square root of 11263213 is about 3356.0710659937. The cubic root of 11263213 is about 224.1579256752.

Adding to 11263213 its reverse (31236211), we get a palindrome (42499424).

It can be divided in two parts, 11263 and 213, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 11263213 in words is "eleven million, two hundred sixty-three thousand, two hundred thirteen".