11566434 has 32 divisors (see below), whose sum is σ = 25406784. Its totient is φ = 3481280.

The previous prime is 11566403. The next prime is 11566453. The reversal of 11566434 is 43466511.

11566434 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10912 + ... + 11924.

It is an arithmetic number, because the mean of its divisors is an integer number (793962).

Almost surely, 2^11566434 is an apocalyptic number.

11566434 is an abundant number, since it is smaller than the sum of its proper divisors (13840350).

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

11566434 is a wasteful number, since it uses less digits than its factorization.

11566434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202.

The product of its digits is 8640, while the sum is 30.

The square root of 11566434 is about 3400.9460448528. The cubic root of 11566434 is about 226.1516850500.

The spelling of 11566434 in words is "eleven million, five hundred sixty-six thousand, four hundred thirty-four".