11246821 has 4 divisors (see below), whose sum is σ = 11414752. Its totient is φ = 11078892.

The previous prime is 11246813. The next prime is 11246857. The reversal of 11246821 is 12864211.

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: 12864211 = 127 ⋅101293.

It is a cyclic number.

It is not a de Polignac number, because 11246821 - 2³ = 11246813 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 (11246861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83865 + ... + 83998.

It is an arithmetic number, because the mean of its divisors is an integer number (2853688).

Almost surely, 2^11246821 is an apocalyptic number.

It is an amenable number.

11246821 is a deficient number, since it is larger than the sum of its proper divisors (167931).

11246821 is an equidigital number, since it uses as much as digits as its factorization.

11246821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167930.

The product of its digits is 768, while the sum is 25.

The square root of 11246821 is about 3353.6280354267. The cubic root of 11246821 is about 224.0491295830.

The spelling of 11246821 in words is "eleven million, two hundred forty-six thousand, eight hundred twenty-one".