11577772 has 6 divisors (see below), whose sum is σ = 20261108. Its totient is φ = 5788884.

The previous prime is 11577767. The next prime is 11577773. The reversal of 11577772 is 27777511.

It is not an unprimeable number, because it can be changed into a prime (11577773) 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 as a sum of consecutive naturals, namely, 1447218 + ... + 1447225.

Almost surely, 2^11577772 is an apocalyptic number.

It is an amenable number.

11577772 is a deficient number, since it is larger than the sum of its proper divisors (8683336).

11577772 is a wasteful number, since it uses less digits than its factorization.

11577772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894447 (or 2894445 counting only the distinct ones).

The product of its digits is 24010, while the sum is 37.

The square root of 11577772 is about 3402.6125256926. The cubic root of 11577772 is about 226.2255560011.

The spelling of 11577772 in words is "eleven million, five hundred seventy-seven thousand, seven hundred seventy-two".