11883561 has 16 divisors (see below), whose sum is σ = 16848000. Its totient is φ = 7424768.

The previous prime is 11883491. The next prime is 11883601. The reversal of 11883561 is 16538811.

11883561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11883561 - 2¹⁹ = 11359273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11883061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19540 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^11883561 is an apocalyptic number.

It is an amenable number.

11883561 is a deficient number, since it is larger than the sum of its proper divisors (4964439).

11883561 is a wasteful number, since it uses less digits than its factorization.

11883561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its digits is 5760, while the sum is 33.

The square root of 11883561 is about 3447.2541246621. The cubic root of 11883561 is about 228.1999438761.

The spelling of 11883561 in words is "eleven million, eight hundred eighty-three thousand, five hundred sixty-one".