11683213 has 4 divisors (see below), whose sum is σ = 11931840. Its totient is φ = 11434588.

The previous prime is 11683207. The next prime is 11683253. The reversal of 11683213 is 31238611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31238611 = 823 ⋅37957.

It is a cyclic number.

It is not a de Polignac number, because 11683213 - 2¹³ = 11675021 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 (11683253) 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, 124243 + ... + 124336.

It is an arithmetic number, because the mean of its divisors is an integer number (2982960).

Almost surely, 2^11683213 is an apocalyptic number.

It is an amenable number.

11683213 is a deficient number, since it is larger than the sum of its proper divisors (248627).

11683213 is an equidigital number, since it uses as much as digits as its factorization.

11683213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248626.

The product of its digits is 864, while the sum is 25.

The square root of 11683213 is about 3418.0715323118. The cubic root of 11683213 is about 226.9102415740.

The spelling of 11683213 in words is "eleven million, six hundred eighty-three thousand, two hundred thirteen".