11621268 has 54 divisors (see below), whose sum is σ = 31233566. Its totient is φ = 3642624.

The previous prime is 11621243. The next prime is 11621273. The reversal of 11621268 is 86212611.

11621268 is a `hidden beast` number, since 11 + 621 + 26 + 8 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1774224 + 9847044 = 1332^2 + 3138^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9846 + ... + 10962.

Almost surely, 2^11621268 is an apocalyptic number.

11621268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11621268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15616783).

11621268 is an abundant number, since it is smaller than the sum of its proper divisors (19612298).

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

11621268 is a wasteful number, since it uses less digits than its factorization.

11621268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1139 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11621268 is about 3408.9980932820. The cubic root of 11621268 is about 226.5085007701.

Adding to 11621268 its reverse (86212611), we get a palindrome (97833879).

The spelling of 11621268 in words is "eleven million, six hundred twenty-one thousand, two hundred sixty-eight".