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12123324 = 2233112253
BaseRepresentation
bin101110001111…
…110010111100
3211210221002000
4232033302330
511100421244
61111502300
7205021653
oct56176274
924727060
1012123324
116930484
124087990
132686185
14187819a
1510e7169
hexb8fcbc

12123324 has 24 divisors (see below), whose sum is σ = 31431120. Its totient is φ = 4041072.

The previous prime is 12123317. The next prime is 12123341. The reversal of 12123324 is 42332121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12123297 and 12123306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56019 + ... + 56234.

It is an arithmetic number, because the mean of its divisors is an integer number (1309630).

Almost surely, 212123324 is an apocalyptic number.

It is an amenable number.

12123324 is an abundant number, since it is smaller than the sum of its proper divisors (19307796).

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

12123324 is a wasteful number, since it uses less digits than its factorization.

12123324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112266 (or 112258 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12123324 is about 3481.8564014043. The cubic root of 12123324 is about 229.7244589423.

Adding to 12123324 its reverse (42332121), we get a palindrome (54455445).

The spelling of 12123324 in words is "twelve million, one hundred twenty-three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 112253 224506 336759 449012 673518 1010277 1347036 2020554 3030831 4041108 6061662 12123324