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12379873 = 1121011013
BaseRepresentation
bin101111001110…
…011011100001
3212021221222211
4233032123201
511132123443
61121202121
7210140632
oct57163341
925257884
1012379873
116a96200
124190341
132745b8c
141903889
15114819d
hexbce6e1

12379873 has 12 divisors (see below), whose sum is σ = 13755924. Its totient is φ = 11132000.

The previous prime is 12379841. The next prime is 12379883. The reversal of 12379873 is 37897321.

It can be written as a sum of positive squares in 2 ways, for example, as 5234944 + 7144929 = 2288^2 + 2673^2 .

It is not a de Polignac number, because 12379873 - 25 = 12379841 is a prime.

It is a super-2 number, since 2×123798732 = 306522510992258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12379813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11715 + ... + 12727.

It is an arithmetic number, because the mean of its divisors is an integer number (1146327).

Almost surely, 212379873 is an apocalyptic number.

It is an amenable number.

12379873 is a deficient number, since it is larger than the sum of its proper divisors (1376051).

12379873 is a wasteful number, since it uses less digits than its factorization.

12379873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1125 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 12379873 is about 3518.5043697571. The cubic root of 12379873 is about 231.3336071682. Note that the first 3 decimals are identical.

The spelling of 12379873 in words is "twelve million, three hundred seventy-nine thousand, eight hundred seventy-three".

Divisors: 1 11 101 121 1013 1111 11143 12221 102313 122573 1125443 12379873