Search a number
-
+
12980796 = 2231081733
BaseRepresentation
bin110001100001…
…001000111100
3220102111022020
4301201020330
511310341141
61142120140
7215222613
oct61411074
926374266
1012980796
117366734
124420050
1328c655a
141a1c87a
151216266
hexc6123c

12980796 has 12 divisors (see below), whose sum is σ = 30288552. Its totient is φ = 4326928.

The previous prime is 12980783. The next prime is 12980837. The reversal of 12980796 is 69708921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540855 + ... + 540878.

It is an arithmetic number, because the mean of its divisors is an integer number (2524046).

Almost surely, 212980796 is an apocalyptic number.

It is an amenable number.

12980796 is an abundant number, since it is smaller than the sum of its proper divisors (17307756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12980796 is a wasteful number, since it uses less digits than its factorization.

12980796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081740 (or 1081738 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 12980796 is about 3602.8871755857. The cubic root of 12980796 is about 235.0176295813.

The spelling of 12980796 in words is "twelve million, nine hundred eighty thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 1081733 2163466 3245199 4326932 6490398 12980796