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12144594 = 2371197271
BaseRepresentation
bin101110010100…
…111111010010
3211212000020210
4232110333102
511102111334
61112144550
7205140660
oct56247722
924760223
1012144594
116945460
124098156
132692a67
141881c30
1510ed5e9
hexb94fd2

12144594 has 64 divisors (see below), whose sum is σ = 30707712. Its totient is φ = 3110400.

The previous prime is 12144593. The next prime is 12144623. The reversal of 12144594 is 49544121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12144593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44679 + ... + 44949.

It is an arithmetic number, because the mean of its divisors is an integer number (479808).

Almost surely, 212144594 is an apocalyptic number.

12144594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12144594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15353856).

12144594 is an abundant number, since it is smaller than the sum of its proper divisors (18563118).

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

12144594 is a wasteful number, since it uses less digits than its factorization.

12144594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its digits is 5760, while the sum is 30.

The square root of 12144594 is about 3484.9094679776. The cubic root of 12144594 is about 229.8587286205.

The spelling of 12144594 in words is "twelve million, one hundred forty-four thousand, five hundred ninety-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 97 154 194 231 271 291 462 542 582 679 813 1067 1358 1626 1897 2037 2134 2981 3201 3794 4074 5691 5962 6402 7469 8943 11382 14938 17886 20867 22407 26287 41734 44814 52574 62601 78861 125202 157722 184009 289157 368018 552027 578314 867471 1104054 1734942 2024099 4048198 6072297 12144594