Search a number
-
+
12910795 = 52582159
BaseRepresentation
bin110001010000…
…000011001011
3220021221021121
4301100003023
511301121140
61140420111
7214511542
oct61200313
926257247
1012910795
117319087
1243a7637
1328a0731
141a01159
15120064a
hexc500cb

12910795 has 4 divisors (see below), whose sum is σ = 15492960. Its totient is φ = 10328632.

The previous prime is 12910757. The next prime is 12910801. The reversal of 12910795 is 59701921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59701921 = 175334057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12910795 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12910795.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291075 + ... + 1291084.

It is an arithmetic number, because the mean of its divisors is an integer number (3873240).

Almost surely, 212910795 is an apocalyptic number.

12910795 is a deficient number, since it is larger than the sum of its proper divisors (2582165).

12910795 is an equidigital number, since it uses as much as digits as its factorization.

12910795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582164.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 12910795 is about 3593.1594732213. The cubic root of 12910795 is about 234.5944113033.

The spelling of 12910795 in words is "twelve million, nine hundred ten thousand, seven hundred ninety-five".

Divisors: 1 5 2582159 12910795