Base | Representation |
---|---|
bin | 110001100101… |
… | …000100010101 |
3 | 220110022101010 |
4 | 301211010111 |
5 | 11311400020 |
6 | 1142322433 |
7 | 215320536 |
oct | 61450425 |
9 | 26408333 |
10 | 12996885 |
11 | 7377830 |
12 | 4429419 |
13 | 2900985 |
14 | 1a2468d |
15 | 121ade0 |
hex | c65115 |
12996885 has 32 divisors (see below), whose sum is σ = 22851072. Its totient is φ = 6255680.
The previous prime is 12996881. The next prime is 12996911. The reversal of 12996885 is 58869921.
It is a happy number.
It is not a de Polignac number, because 12996885 - 22 = 12996881 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12996881) 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, 37282 + ... + 37628.
It is an arithmetic number, because the mean of its divisors is an integer number (714096).
Almost surely, 212996885 is an apocalyptic number.
12996885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12996885 is a deficient number, since it is larger than the sum of its proper divisors (9854187).
12996885 is a wasteful number, since it uses less digits than its factorization.
12996885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 593.
The product of its digits is 311040, while the sum is 48.
The square root of 12996885 is about 3605.1192768062. The cubic root of 12996885 is about 235.1146867397.
The spelling of 12996885 in words is "twelve million, nine hundred ninety-six thousand, eight hundred eighty-five".
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