Base | Representation |
---|---|
bin | 101111010001… |
… | …100111101001 |
3 | 212022121220200 |
4 | 233101213221 |
5 | 11133033222 |
6 | 1121342413 |
7 | 210224004 |
oct | 57214751 |
9 | 25277820 |
10 | 12392937 |
11 | 6aa4aa7 |
12 | 4197a09 |
13 | 274bacb |
14 | 190853b |
15 | 114beac |
hex | bd19e9 |
12392937 has 12 divisors (see below), whose sum is σ = 18239364. Its totient is φ = 8105760.
The previous prime is 12392927. The next prime is 12392951. The reversal of 12392937 is 73929321.
It can be written as a sum of positive squares in 2 ways, for example, as 7817616 + 4575321 = 2796^2 + 2139^2 .
It is not a de Polignac number, because 12392937 - 210 = 12391913 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (12392927) 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, 12514 + ... + 13467.
It is an arithmetic number, because the mean of its divisors is an integer number (1519947).
Almost surely, 212392937 is an apocalyptic number.
It is an amenable number.
12392937 is a deficient number, since it is larger than the sum of its proper divisors (5846427).
12392937 is a wasteful number, since it uses less digits than its factorization.
12392937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26040 (or 26037 counting only the distinct ones).
The product of its digits is 20412, while the sum is 36.
The square root of 12392937 is about 3520.3603508732. The cubic root of 12392937 is about 231.4149510241.
The spelling of 12392937 in words is "twelve million, three hundred ninety-two thousand, nine hundred thirty-seven".
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