Search a number
-
+
12162372 = 2231013531
BaseRepresentation
bin101110011001…
…010101000100
3211212220122020
4232121111010
511103143442
61112403140
7205243545
oct56312504
924786566
1012162372
116957852
1240a64b0
13269ab91
1418884cc
1511039ec
hexb99544

12162372 has 12 divisors (see below), whose sum is σ = 28378896. Its totient is φ = 4054120.

The previous prime is 12162349. The next prime is 12162373. The reversal of 12162372 is 27326121.

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12162373) 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 in 3 ways as a sum of consecutive naturals, for example, 506754 + ... + 506777.

It is an arithmetic number, because the mean of its divisors is an integer number (2364908).

Almost surely, 212162372 is an apocalyptic number.

12162372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12162372 is an abundant number, since it is smaller than the sum of its proper divisors (16216524).

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

12162372 is a wasteful number, since it uses less digits than its factorization.

12162372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013538 (or 1013536 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 12162372 is about 3487.4592470737. The cubic root of 12162372 is about 229.9708343610.

Adding to 12162372 its reverse (27326121), we get a palindrome (39488493).

The spelling of 12162372 in words is "twelve million, one hundred sixty-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 1013531 2027062 3040593 4054124 6081186 12162372