11521076 has 36 divisors (see below), whose sum is σ = 24016608. Its totient is φ = 4819248.

The previous prime is 11521051. The next prime is 11521187. The reversal of 11521076 is 67012511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7745 + ... + 9111.

It is an arithmetic number, because the mean of its divisors is an integer number (667128).

Almost surely, 2^11521076 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 11521076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12008304).

11521076 is an abundant number, since it is smaller than the sum of its proper divisors (12495532).

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

11521076 is a wasteful number, since it uses less digits than its factorization.

11521076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 11521076 is about 3394.2710557644. The cubic root of 11521076 is about 225.8556783429.

Adding to 11521076 its reverse (67012511), we get a palindrome (78533587).

The spelling of 11521076 in words is "eleven million, five hundred twenty-one thousand, seventy-six".