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12123996 = 2231138941
BaseRepresentation
bin101110001111…
…111101011100
3211210221222220
4232033331130
511100431441
61111505340
7205023633
oct56177534
924727886
1012123996
116930a35
124088250
132686581
14187851a
1510e7466
hexb8ff5c

12123996 has 24 divisors (see below), whose sum is σ = 28542864. Its totient is φ = 4005120.

The previous prime is 12123977. The next prime is 12124061. The reversal of 12123996 is 69932121.

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, 3115 + ... + 5826.

It is an arithmetic number, because the mean of its divisors is an integer number (1189286).

Almost surely, 212123996 is an apocalyptic number.

It is an amenable number.

12123996 is an abundant number, since it is smaller than the sum of its proper divisors (16418868).

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

12123996 is a wasteful number, since it uses less digits than its factorization.

12123996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061 (or 9059 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 12123996 is about 3481.9529003133. The cubic root of 12123996 is about 229.7287034323.

The spelling of 12123996 in words is "twelve million, one hundred twenty-three thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 8941 17882 26823 35764 53646 107292 1010333 2020666 3030999 4041332 6061998 12123996