Search a number
-
+
12798504 = 23321491193
BaseRepresentation
bin110000110100…
…101000101000
3220002020020200
4300310220220
511234023004
61134152200
7213533265
oct60645050
926066220
1012798504
117251784
124352660
1328615a4
1419b226c
1511cc239
hexc34a28

12798504 has 48 divisors (see below), whose sum is σ = 34924500. Its totient is φ = 4233984.

The previous prime is 12798491. The next prime is 12798509. The reversal of 12798504 is 40589721.

It can be written as a sum of positive squares in 2 ways, for example, as 12236004 + 562500 = 3498^2 + 750^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12798509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10132 + ... + 11324.

Almost surely, 212798504 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 12798504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17462250).

12798504 is an abundant number, since it is smaller than the sum of its proper divisors (22125996).

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

12798504 is a wasteful number, since it uses less digits than its factorization.

12798504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 12798504 is about 3577.4996855346. The cubic root of 12798504 is about 233.9123055134.

The spelling of 12798504 in words is "twelve million, seven hundred ninety-eight thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 149 298 447 596 894 1192 1193 1341 1788 2386 2682 3576 3579 4772 5364 7158 9544 10728 10737 14316 21474 28632 42948 85896 177757 355514 533271 711028 1066542 1422056 1599813 2133084 3199626 4266168 6399252 12798504