Base | Representation |
---|---|
bin | 110001001000… |
… | …000010010110 |
3 | 220020021021000 |
4 | 301020002112 |
5 | 11244043344 |
6 | 1140004130 |
7 | 214314054 |
oct | 61100226 |
9 | 26207230 |
10 | 12877974 |
11 | 72a645a |
12 | 4390646 |
13 | 288b805 |
14 | 19d31d4 |
15 | 11e5a69 |
hex | c48096 |
12877974 has 16 divisors (see below), whose sum is σ = 28617840. Its totient is φ = 4292640.
The previous prime is 12877973. The next prime is 12877979. The reversal of 12877974 is 47977821.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12877973) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119187 + ... + 119294.
It is an arithmetic number, because the mean of its divisors is an integer number (1788615).
Almost surely, 212877974 is an apocalyptic number.
12877974 is an abundant number, since it is smaller than the sum of its proper divisors (15739866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12877974 is a wasteful number, since it uses less digits than its factorization.
12877974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238492 (or 238486 counting only the distinct ones).
The product of its digits is 197568, while the sum is 45.
The square root of 12877974 is about 3588.5894164699. The cubic root of 12877974 is about 234.3954522952.
It can be divided in two parts, 1287 and 7974, that added together give a cube (9261 = 213).
The spelling of 12877974 in words is "twelve million, eight hundred seventy-seven thousand, nine hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •