Search a number
-
+
12837996 = 2232191372
BaseRepresentation
bin110000111110…
…010001101100
3220011020102100
4300332101230
511241303441
61135055100
7214056363
oct60762154
926136370
1012837996
117279416
124371490
132876562
1419c27da
1511d8cb6
hexc3e46c

12837996 has 54 divisors (see below), whose sum is σ = 34410740. Its totient is φ = 4024512.

The previous prime is 12837991. The next prime is 12837997. The reversal of 12837996 is 69973821.

12837996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12837991) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 93640 + ... + 93776.

Almost surely, 212837996 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 12837996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17205370).

12837996 is an abundant number, since it is smaller than the sum of its proper divisors (21572744).

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

12837996 is a wasteful number, since it uses less digits than its factorization.

12837996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 161 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 12837996 is about 3583.0149315904. The cubic root of 12837996 is about 234.1526507796.

The spelling of 12837996 in words is "twelve million, eight hundred thirty-seven thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 137 171 228 274 342 411 548 684 822 1233 1644 2466 2603 4932 5206 7809 10412 15618 18769 23427 31236 37538 46854 56307 75076 93708 112614 168921 225228 337842 356611 675684 713222 1069833 1426444 2139666 3209499 4279332 6418998 12837996