Search a number
-
+
12994399 = 111181309
BaseRepresentation
bin110001100100…
…011101011111
3220110011222001
4301210131133
511311310044
61142303131
7215310355
oct61443537
926404861
1012994399
117375980
124427aa7
1328cc7c2
141a237d5
15121a2d4
hexc6475f

12994399 has 4 divisors (see below), whose sum is σ = 14175720. Its totient is φ = 11813080.

The previous prime is 12994393. The next prime is 12994427. The reversal of 12994399 is 99349921.

12994399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12994399 - 23 = 12994391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12994391) 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, 590644 + ... + 590665.

It is an arithmetic number, because the mean of its divisors is an integer number (3543930).

Almost surely, 212994399 is an apocalyptic number.

12994399 is a deficient number, since it is larger than the sum of its proper divisors (1181321).

12994399 is a wasteful number, since it uses less digits than its factorization.

12994399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181320.

The product of its digits is 157464, while the sum is 46.

The square root of 12994399 is about 3604.7744728346. The cubic root of 12994399 is about 235.0996951376.

The spelling of 12994399 in words is "twelve million, nine hundred ninety-four thousand, three hundred ninety-nine".

Divisors: 1 11 1181309 12994399