11572066 has 16 divisors (see below), whose sum is σ = 19248768. Its totient is φ = 5173200.

The previous prime is 11572061. The next prime is 11572079. The reversal of 11572066 is 66027511.

It is not an unprimeable number, because it can be changed into a prime (11572061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970 + ... + 5653.

It is an arithmetic number, because the mean of its divisors is an integer number (1203048).

Almost surely, 2^11572066 is an apocalyptic number.

11572066 is a deficient number, since it is larger than the sum of its proper divisors (7676702).

11572066 is a wasteful number, since it uses less digits than its factorization.

11572066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 11572066 is about 3401.7739489860. The cubic root of 11572066 is about 226.1883854890.

Adding to 11572066 its reverse (66027511), we get a palindrome (77599577).

Subtracting 11572066 from its reverse (66027511), we obtain a palindrome (54455445).

It can be divided in two parts, 1157 and 2066, that added together give a palindrome (3223).

The spelling of 11572066 in words is "eleven million, five hundred seventy-two thousand, sixty-six".