[go: up one dir, main page]

Search a number
-
+
12975924 = 22313223373
BaseRepresentation
bin110001011111…
…111100110100
3220102020121210
4301133330310
511310212144
61142041420
7215202453
oct61377464
926366553
1012975924
117363005
124419270
1328c4280
141a1ab9a
151214ab9
hexc5ff34

12975924 has 48 divisors (see below), whose sum is σ = 32840192. Its totient is φ = 3964032.

The previous prime is 12975899. The next prime is 12975953. The reversal of 12975924 is 42957921.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34602 + ... + 34974.

Almost surely, 212975924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12975924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16420096).

12975924 is an abundant number, since it is smaller than the sum of its proper divisors (19864268).

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

12975924 is a wasteful number, since it uses less digits than its factorization.

12975924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 12975924 is about 3602.2109877130. The cubic root of 12975924 is about 234.9882233422.

The spelling of 12975924 in words is "twelve million, nine hundred seventy-five thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 223 373 446 669 746 892 1119 1338 1492 2238 2676 2899 4476 4849 5798 8697 9698 11596 14547 17394 19396 29094 34788 58188 83179 166358 249537 332716 499074 998148 1081327 2162654 3243981 4325308 6487962 12975924