11821485 has 16 divisors (see below), whose sum is σ = 20369664. Its totient is φ = 5819712.

The previous prime is 11821483. The next prime is 11821499. The reversal of 11821485 is 58412811.

It is a happy number.

11821485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11821485 - 2¹ = 11821483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11821483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30117 + ... + 30506.

It is an arithmetic number, because the mean of its divisors is an integer number (1273104).

Almost surely, 2^11821485 is an apocalyptic number.

11821485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11821485 is a deficient number, since it is larger than the sum of its proper divisors (8548179).

11821485 is a wasteful number, since it uses less digits than its factorization.

11821485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60644.

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

The square root of 11821485 is about 3438.2386479126. The cubic root of 11821485 is about 227.8019016466.

The spelling of 11821485 in words is "eleven million, eight hundred twenty-one thousand, four hundred eighty-five".