11573842 has 24 divisors (see below), whose sum is σ = 20569536. Its totient is φ = 4784304.

The previous prime is 11573839. The next prime is 11573843. The reversal of 11573842 is 24837511.

It is not an unprimeable number, because it can be changed into a prime (11573843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11283 + ... + 12265.

It is an arithmetic number, because the mean of its divisors is an integer number (857064).

Almost surely, 2^11573842 is an apocalyptic number.

11573842 is a deficient number, since it is larger than the sum of its proper divisors (8995694).

11573842 is an equidigital number, since it uses as much as digits as its factorization.

11573842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1021 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 11573842 is about 3402.0349792440. The cubic root of 11573842 is about 226.1999561692.

The spelling of 11573842 in words is "eleven million, five hundred seventy-three thousand, eight hundred forty-two".