Search a number
-
+
12092172 = 2231007681
BaseRepresentation
bin101110001000…
…001100001100
3211202100100020
4232020030030
511043422142
61111102140
7204532101
oct56101414
924670306
1012092172
11690a034
124071950
132674c41
14186aaa8
1510dccec
hexb8830c

12092172 has 12 divisors (see below), whose sum is σ = 28215096. Its totient is φ = 4030720.

The previous prime is 12092167. The next prime is 12092173. The reversal of 12092172 is 27129021.

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

It is not an unprimeable number, because it can be changed into a prime (12092173) 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, 503829 + ... + 503852.

It is an arithmetic number, because the mean of its divisors is an integer number (2351258).

Almost surely, 212092172 is an apocalyptic number.

12092172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12092172 is an abundant number, since it is smaller than the sum of its proper divisors (16122924).

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

12092172 is a wasteful number, since it uses less digits than its factorization.

12092172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007688 (or 1007686 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12092172 is about 3477.3800482547. The cubic root of 12092172 is about 229.5275240981.

The spelling of 12092172 in words is "twelve million, ninety-two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 1007681 2015362 3023043 4030724 6046086 12092172