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11712793 = 61192013
BaseRepresentation
bin101100101011…
…100100011001
3211001001221011
4230223210121
510444302133
61055013521
7201362041
oct54534431
924031834
1011712793
11667aaa4
123b0a2a1
132571361
1417ac721
1510656cd
hexb2b919

11712793 has 4 divisors (see below), whose sum is σ = 11904868. Its totient is φ = 11520720.

The previous prime is 11712791. The next prime is 11712803. The reversal of 11712793 is 39721711.

11712793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39721711 = 179221909.

It can be written as a sum of positive squares in 2 ways, for example, as 6568969 + 5143824 = 2563^2 + 2268^2 .

It is a cyclic number.

It is not a de Polignac number, because 11712793 - 21 = 11712791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11712791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95946 + ... + 96067.

It is an arithmetic number, because the mean of its divisors is an integer number (2976217).

Almost surely, 211712793 is an apocalyptic number.

It is an amenable number.

11712793 is a deficient number, since it is larger than the sum of its proper divisors (192075).

11712793 is an equidigital number, since it uses as much as digits as its factorization.

11712793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192074.

The product of its digits is 2646, while the sum is 31.

The square root of 11712793 is about 3422.3957982676. The cubic root of 11712793 is about 227.1015801590.

The spelling of 11712793 in words is "eleven million, seven hundred twelve thousand, seven hundred ninety-three".

Divisors: 1 61 192013 11712793