11622636 has 48 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 3704976.

The previous prime is 11622631. The next prime is 11622647. The reversal of 11622636 is 63622611.

11622636 is a `hidden beast` number, since 1 + 1 + 6 + 22 + 636 = 666.

11622636 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11622631) 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, 145 + ... + 4823.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^11622636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11622636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

11622636 is an abundant number, since it is smaller than the sum of its proper divisors (19826964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11622636 is a wasteful number, since it uses less digits than its factorization.

11622636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715 (or 4707 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 11622636 is about 3409.1987328403. The cubic root of 11622636 is about 226.5173882533.

The spelling of 11622636 in words is "eleven million, six hundred twenty-two thousand, six hundred thirty-six".