Base | Representation |
---|---|
bin | 110001100101… |
… | …000100111101 |
3 | 220110022102121 |
4 | 301211010331 |
5 | 11311400200 |
6 | 1142322541 |
7 | 215320624 |
oct | 61450475 |
9 | 26408377 |
10 | 12996925 |
11 | 7377867 |
12 | 4429451 |
13 | 29009b6 |
14 | 1a246bb |
15 | 121ae1a |
hex | c6513d |
12996925 has 24 divisors (see below), whose sum is σ = 17416296. Its totient is φ = 9584640.
The previous prime is 12996923. The next prime is 12996941. The reversal of 12996925 is 52969921.
It is a happy number.
12996925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 80089 + 12916836 = 283^2 + 3594^2 .
It is not a de Polignac number, because 12996925 - 21 = 12996923 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12996923) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22237 + ... + 22813.
It is an arithmetic number, because the mean of its divisors is an integer number (725679).
Almost surely, 212996925 is an apocalyptic number.
It is an amenable number.
12996925 is a deficient number, since it is larger than the sum of its proper divisors (4419371).
12996925 is a wasteful number, since it uses less digits than its factorization.
12996925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 657 (or 652 counting only the distinct ones).
The product of its digits is 87480, while the sum is 43.
The square root of 12996925 is about 3605.1248244686. The cubic root of 12996925 is about 235.1149279405.
The spelling of 12996925 in words is "twelve million, nine hundred ninety-six thousand, nine hundred twenty-five".
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