11485821 has 8 divisors (see below), whose sum is σ = 15466464. Its totient is φ = 7581200.

The previous prime is 11485811. The next prime is 11485847. The reversal of 11485821 is 12858411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11485821 - 2⁶ = 11485757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11485811) 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, 18651 + ... + 19256.

It is an arithmetic number, because the mean of its divisors is an integer number (1933308).

Almost surely, 2^11485821 is an apocalyptic number.

It is an amenable number.

11485821 is a deficient number, since it is larger than the sum of its proper divisors (3980643).

11485821 is a wasteful number, since it uses less digits than its factorization.

11485821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38011.

The product of its digits is 2560, while the sum is 30.

The square root of 11485821 is about 3389.0737672703. The cubic root of 11485821 is about 225.6250668477.

The spelling of 11485821 in words is "eleven million, four hundred eighty-five thousand, eight hundred twenty-one".