11643172 has 12 divisors (see below), whose sum is σ = 20427120. Its totient is φ = 5806856.

The previous prime is 11643161. The next prime is 11643209. The reversal of 11643172 is 27134611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (1702260).

Almost surely, 2^11643172 is an apocalyptic number.

It is an amenable number.

11643172 is a deficient number, since it is larger than the sum of its proper divisors (8783948).

11643172 is a wasteful number, since it uses less digits than its factorization.

11643172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370 (or 7368 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 11643172 is about 3412.2092550135. The cubic root of 11643172 is about 226.6507207160.

Adding to 11643172 its reverse (27134611), we get a palindrome (38777783).

The spelling of 11643172 in words is "eleven million, six hundred forty-three thousand, one hundred seventy-two".