Search a number
-
+
12653755 = 52530751
BaseRepresentation
bin110000010001…
…010010111011
3212210212200121
4300101102323
511214410010
61131114111
7212361262
oct60212273
925725617
1012653755
117162a54
1242a2937
13281073a
1419755d9
15119e3da
hexc114bb

12653755 has 4 divisors (see below), whose sum is σ = 15184512. Its totient is φ = 10123000.

The previous prime is 12653737. The next prime is 12653759. The reversal of 12653755 is 55735621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12653755 - 25 = 12653723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12653755.

It is not an unprimeable number, because it can be changed into a prime (12653759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265371 + ... + 1265380.

It is an arithmetic number, because the mean of its divisors is an integer number (3796128).

Almost surely, 212653755 is an apocalyptic number.

12653755 is a deficient number, since it is larger than the sum of its proper divisors (2530757).

12653755 is an equidigital number, since it uses as much as digits as its factorization.

12653755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530756.

The product of its digits is 31500, while the sum is 34.

The square root of 12653755 is about 3557.2116889496. The cubic root of 12653755 is about 233.0271232708.

The spelling of 12653755 in words is "twelve million, six hundred fifty-three thousand, seven hundred fifty-five".

Divisors: 1 5 2530751 12653755