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12824897 = 19765101
BaseRepresentation
bin110000111011…
…000101000001
3220010120110012
4300323011001
511240344042
61134514305
7214003241
oct60730501
926116405
1012824897
11726a598
124365995
1328705c7
1419bbb21
1511d4e82
hexc3b141

12824897 has 4 divisors (see below), whose sum is σ = 12890196. Its totient is φ = 12759600.

The previous prime is 12824891. The next prime is 12824899. The reversal of 12824897 is 79842821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 929296 = 3449^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 12824897 - 24 = 12824881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12824891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32354 + ... + 32747.

It is an arithmetic number, because the mean of its divisors is an integer number (3222549).

Almost surely, 212824897 is an apocalyptic number.

It is an amenable number.

12824897 is a deficient number, since it is larger than the sum of its proper divisors (65299).

12824897 is an equidigital number, since it uses as much as digits as its factorization.

12824897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65298.

The product of its digits is 64512, while the sum is 41.

The square root of 12824897 is about 3581.1865352143. The cubic root of 12824897 is about 234.0729859747.

The spelling of 12824897 in words is "twelve million, eight hundred twenty-four thousand, eight hundred ninety-seven".

Divisors: 1 197 65101 12824897