11642172 has 24 divisors (see below), whose sum is σ = 27240192. Its totient is φ = 3870000.

The previous prime is 11642167. The next prime is 11642177. The reversal of 11642172 is 27124611.

11642172 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11642167) and next prime (11642177).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11642177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047 + ... + 6297.

It is an arithmetic number, because the mean of its divisors is an integer number (1135008).

Almost surely, 2^11642172 is an apocalyptic number.

11642172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11642172 is an abundant number, since it is smaller than the sum of its proper divisors (15598020).

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

11642172 is a wasteful number, since it uses less digits than its factorization.

11642172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689 (or 2687 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 11642172 is about 3412.0627192360. The cubic root of 11642172 is about 226.6442317280.

Adding to 11642172 its reverse (27124611), we get a palindrome (38766783).

The spelling of 11642172 in words is "eleven million, six hundred forty-two thousand, one hundred seventy-two".