Search a number
-
+
12940711 = 71848673
BaseRepresentation
bin110001010111…
…010110100111
3220100110022121
4301113112213
511303100321
61141210411
7214665010
oct61272647
926313277
1012940711
117339603
124400a07
1328b1234
141a0c007
151209441
hexc575a7

12940711 has 4 divisors (see below), whose sum is σ = 14789392. Its totient is φ = 11092032.

The previous prime is 12940703. The next prime is 12940717. The reversal of 12940711 is 11704921.

12940711 is digitally balanced in base 3, 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.

It is not a de Polignac number, because 12940711 - 23 = 12940703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12940717) 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, 924330 + ... + 924343.

It is an arithmetic number, because the mean of its divisors is an integer number (3697348).

Almost surely, 212940711 is an apocalyptic number.

12940711 is a deficient number, since it is larger than the sum of its proper divisors (1848681).

12940711 is an equidigital number, since it uses as much as digits as its factorization.

12940711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848680.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 12940711 is about 3597.3199746478. The cubic root of 12940711 is about 234.7754668396.

The spelling of 12940711 in words is "twelve million, nine hundred forty thousand, seven hundred eleven".

Divisors: 1 7 1848673 12940711