Search a number
-
+
12969079 = 172341809
BaseRepresentation
bin110001011110…
…010001110111
3220101220020021
4301132101313
511310002304
61141550011
7215143504
oct61362167
926356207
1012969079
117358952
124415307
1328c1116
141a184ab
151212a54
hexc5e477

12969079 has 16 divisors (see below), whose sum is σ = 14696640. Its totient is φ = 11376640.

The previous prime is 12969071. The next prime is 12969083. The reversal of 12969079 is 97096921.

It is a cyclic number.

It is not a de Polignac number, because 12969079 - 23 = 12969071 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 (12969071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15627 + ... + 16435.

It is an arithmetic number, because the mean of its divisors is an integer number (918540).

Almost surely, 212969079 is an apocalyptic number.

12969079 is a deficient number, since it is larger than the sum of its proper divisors (1727561).

12969079 is a wasteful number, since it uses less digits than its factorization.

12969079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 12969079 is about 3601.2607514591. The cubic root of 12969079 is about 234.9468961040.

The spelling of 12969079 in words is "twelve million, nine hundred sixty-nine thousand, seventy-nine".

Divisors: 1 17 23 41 391 697 809 943 13753 16031 18607 33169 316319 563873 762887 12969079