Base | Representation |
---|---|
bin | 110001001100… |
… | …101100011110 |
3 | 220021020102200 |
4 | 301030230132 |
5 | 11300201204 |
6 | 1140232330 |
7 | 214423512 |
oct | 61145436 |
9 | 26236380 |
10 | 12897054 |
11 | 7309825 |
12 | 439b6a6 |
13 | 28973c1 |
14 | 19da142 |
15 | 11eb539 |
hex | c4cb1e |
12897054 has 48 divisors (see below), whose sum is σ = 29877120. Its totient is φ = 4011840.
The previous prime is 12897037. The next prime is 12897077. The reversal of 12897054 is 45079821.
12897054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15784 + ... + 16580.
It is an arithmetic number, because the mean of its divisors is an integer number (622440).
Almost surely, 212897054 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12897054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14938560).
12897054 is an abundant number, since it is smaller than the sum of its proper divisors (16980066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12897054 is a wasteful number, since it uses less digits than its factorization.
12897054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 865 (or 862 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 12897054 is about 3591.2468586829. The cubic root of 12897054 is about 234.5111552348.
The spelling of 12897054 in words is "twelve million, eight hundred ninety-seven thousand, fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •