11961066 has 32 divisors (see below), whose sum is σ = 26066880. Its totient is φ = 3636864.

The previous prime is 11961049. The next prime is 11961067. The reversal of 11961066 is 66016911.

It is a happy number.

11961066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11961067) 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, 6081 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (814590).

Almost surely, 2^11961066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11961066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13033440).

11961066 is an abundant number, since it is smaller than the sum of its proper divisors (14105814).

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

11961066 is a wasteful number, since it uses less digits than its factorization.

11961066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 11961066 is about 3458.4774106534. The cubic root of 11961066 is about 228.6949785551.

Adding to 11961066 its reverse (66016911), we get a palindrome (77977977).

The spelling of 11961066 in words is "eleven million, nine hundred sixty-one thousand, sixty-six".