11338821 has 24 divisors (see below), whose sum is σ = 17763200. Its totient is φ = 6928416.

The previous prime is 11338787. The next prime is 11338823. The reversal of 11338821 is 12883311.

It is not a de Polignac number, because 11338821 - 2⁶ = 11338757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11338823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23040 + ... + 23526.

Almost surely, 2^11338821 is an apocalyptic number.

It is an amenable number.

11338821 is a deficient number, since it is larger than the sum of its proper divisors (6424379).

11338821 is a wasteful number, since it uses less digits than its factorization.

11338821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 702 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11338821 is about 3367.3165874328. The cubic root of 11338821 is about 224.6583852968.

The spelling of 11338821 in words is "eleven million, three hundred thirty-eight thousand, eight hundred twenty-one".