11633172 has 12 divisors (see below), whose sum is σ = 27144096. Its totient is φ = 3877720.

The previous prime is 11633161. The next prime is 11633173. The reversal of 11633172 is 27133611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11633173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484704 + ... + 484727.

It is an arithmetic number, because the mean of its divisors is an integer number (2262008).

Almost surely, 2^11633172 is an apocalyptic number.

11633172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11633172 is an abundant number, since it is smaller than the sum of its proper divisors (15510924).

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

11633172 is a wasteful number, since it uses less digits than its factorization.

11633172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969438 (or 969436 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 11633172 is about 3410.7436139352. The cubic root of 11633172 is about 226.5858141081.

Adding to 11633172 its reverse (27133611), we get a palindrome (38766783).

It can be divided in two parts, 116331 and 72, that added together give a triangular number (116403 = T₄₈₂).

The spelling of 11633172 in words is "eleven million, six hundred thirty-three thousand, one hundred seventy-two".