Search a number
-
+
12739048 = 2371092087
BaseRepresentation
bin110000100110…
…000111101000
3212222012200121
4300212013220
511230122143
61133013024
7213165040
oct60460750
925865617
1012739048
117211043
124324174
1328404ca
141998720
1511b97ed
hexc261e8

12739048 has 32 divisors (see below), whose sum is σ = 27561600. Its totient is φ = 5406912.

The previous prime is 12739043. The next prime is 12739049. The reversal of 12739048 is 84093721.

It is not an unprimeable number, because it can be changed into a prime (12739043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5061 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (861300).

Almost surely, 212739048 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 12739048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13780800).

12739048 is an abundant number, since it is smaller than the sum of its proper divisors (14822552).

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

12739048 is a wasteful number, since it uses less digits than its factorization.

12739048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12739048 is about 3569.1802980516. The cubic root of 12739048 is about 233.5495266100.

The spelling of 12739048 in words is "twelve million, seven hundred thirty-nine thousand, forty-eight".

Divisors: 1 2 4 7 8 14 28 56 109 218 436 763 872 1526 2087 3052 4174 6104 8348 14609 16696 29218 58436 116872 227483 454966 909932 1592381 1819864 3184762 6369524 12739048