11573667 has 12 divisors (see below), whose sum is σ = 19105840. Its totient is φ = 6613488.

The previous prime is 11573659. The next prime is 11573677. The reversal of 11573667 is 76637511.

It is not a de Polignac number, because 11573667 - 2³ = 11573659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11573677) 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 11 ways as a sum of consecutive naturals, for example, 91792 + ... + 91917.

Almost surely, 2^11573667 is an apocalyptic number.

11573667 is a deficient number, since it is larger than the sum of its proper divisors (7532173).

11573667 is a wasteful number, since it uses less digits than its factorization.

11573667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183722 (or 183719 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 11573667 is about 3402.0092592467. The cubic root of 11573667 is about 226.1988160928.

The spelling of 11573667 in words is "eleven million, five hundred seventy-three thousand, six hundred sixty-seven".