Search a number
-
+
12797504 = 26199961
BaseRepresentation
bin110000110100…
…011001000000
3220002011212122
4300310121000
511234010004
61134143412
7213530336
oct60643100
926064778
1012797504
117250a55
124351b68
132860cb5
1419b1b56
1511cbcbe
hexc34640

12797504 has 14 divisors (see below), whose sum is σ = 25395174. Its totient is φ = 6398720.

The previous prime is 12797503. The next prime is 12797509. The reversal of 12797504 is 40579721.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 123904 = 3560^2 + 352^2 .

It is a super-2 number, since 2×127975042 = 327552217260032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12797503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99917 + ... + 100044.

It is an arithmetic number, because the mean of its divisors is an integer number (1813941).

Almost surely, 212797504 is an apocalyptic number.

It is an amenable number.

12797504 is a deficient number, since it is larger than the sum of its proper divisors (12597670).

12797504 is an equidigital number, since it uses as much as digits as its factorization.

12797504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199973 (or 199963 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 12797504 is about 3577.3599203882. The cubic root of 12797504 is about 233.9062131764.

The spelling of 12797504 in words is "twelve million, seven hundred ninety-seven thousand, five hundred four".

Divisors: 1 2 4 8 16 32 64 199961 399922 799844 1599688 3199376 6398752 12797504