Search a number
-
+
12906844 = 223226711
BaseRepresentation
bin110001001111…
…000101011100
3220021201212021
4301033011130
511301004334
61140345524
7214464166
oct61170534
926251767
1012906844
117316115
1243a52a4
13289b9b2
1419dd936
1511ee3b4
hexc4f15c

12906844 has 6 divisors (see below), whose sum is σ = 22586984. Its totient is φ = 6453420.

The previous prime is 12906823. The next prime is 12906847. The reversal of 12906844 is 44860921.

12906844 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 not an unprimeable number, because it can be changed into a prime (12906847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1613352 + ... + 1613359.

Almost surely, 212906844 is an apocalyptic number.

It is an amenable number.

12906844 is a deficient number, since it is larger than the sum of its proper divisors (9680140).

12906844 is a wasteful number, since it uses less digits than its factorization.

12906844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226715 (or 3226713 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 12906844 is about 3592.6096364621. The cubic root of 12906844 is about 234.5704784346.

The spelling of 12906844 in words is "twelve million, nine hundred six thousand, eight hundred forty-four".

Divisors: 1 2 4 3226711 6453422 12906844