11746821 has 8 divisors (see below), whose sum is σ = 15806560. Its totient is φ = 7759152.

The previous prime is 11746811. The next prime is 11746829. The reversal of 11746821 is 12864711.

11746821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11746821 - 2⁵ = 11746789 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 (11746829) 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, 17635 + ... + 18288.

It is an arithmetic number, because the mean of its divisors is an integer number (1975820).

Almost surely, 2^11746821 is an apocalyptic number.

It is an amenable number.

11746821 is a deficient number, since it is larger than the sum of its proper divisors (4059739).

11746821 is a wasteful number, since it uses less digits than its factorization.

11746821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36035.

The product of its digits is 2688, while the sum is 30.

The square root of 11746821 is about 3427.3635640241. The cubic root of 11746821 is about 227.3212926566.

The spelling of 11746821 in words is "eleven million, seven hundred forty-six thousand, eight hundred twenty-one".