11346821 has 4 divisors (see below), whose sum is σ = 11539200. Its totient is φ = 11154444.

The previous prime is 11346817. The next prime is 11346869. The reversal of 11346821 is 12864311.

11346821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 11346821 - 2² = 11346817 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 (11340821) 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, 96101 + ... + 96218.

It is an arithmetic number, because the mean of its divisors is an integer number (2884800).

Almost surely, 2^11346821 is an apocalyptic number.

It is an amenable number.

11346821 is a deficient number, since it is larger than the sum of its proper divisors (192379).

11346821 is an equidigital number, since it uses as much as digits as its factorization.

11346821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192378.

The product of its digits is 1152, while the sum is 26.

The square root of 11346821 is about 3368.5042674754. The cubic root of 11346821 is about 224.7112080893.

It can be divided in two parts, 11346 and 821, that added together give a cube (12167 = 23³).

The spelling of 11346821 in words is "eleven million, three hundred forty-six thousand, eight hundred twenty-one".