Search a number
-
+
12683069 = 71811867
BaseRepresentation
bin110000011000…
…011100111101
3212212100220022
4300120130331
511221324234
61131501525
7212542610
oct60303475
925770808
1012683069
117182a83
1242b78a5
132820b99
141982177
1511a7e2e
hexc1873d

12683069 has 4 divisors (see below), whose sum is σ = 14494944. Its totient is φ = 10871196.

The previous prime is 12683023. The next prime is 12683113. The reversal of 12683069 is 96038621.

12683069 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96038621 = 713719803.

It is not a de Polignac number, because 12683069 - 212 = 12678973 is a prime.

It is a super-2 number, since 2×126830692 = 321720478517522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12683269) 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, 905927 + ... + 905940.

It is an arithmetic number, because the mean of its divisors is an integer number (3623736).

Almost surely, 212683069 is an apocalyptic number.

It is an amenable number.

12683069 is a deficient number, since it is larger than the sum of its proper divisors (1811875).

12683069 is an equidigital number, since it uses as much as digits as its factorization.

12683069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811874.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 12683069 is about 3561.3296674136. The cubic root of 12683069 is about 233.2069299487.

The spelling of 12683069 in words is "twelve million, six hundred eighty-three thousand, sixty-nine".

Divisors: 1 7 1811867 12683069