Search a number
-
+
13067419 = 42131039
BaseRepresentation
bin110001110110…
…010010011011
3220120220010111
4301312102123
511321124134
61144025151
7216033301
oct61662233
926526114
1013067419
117415822
1244621b7
132926b01
141a42271
151231c64
hexc7649b

13067419 has 4 divisors (see below), whose sum is σ = 13098880. Its totient is φ = 13035960.

The previous prime is 13067413. The next prime is 13067423. The reversal of 13067419 is 91476031.

It is a happy number.

13067419 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, and also an emirpimes, since its reverse is a distinct semiprime: 91476031 = 175380943.

It is a cyclic number.

It is not a de Polignac number, because 13067419 - 27 = 13067291 is a prime.

It is a super-2 number, since 2×130674192 = 341514878643122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13067413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15099 + ... + 15940.

It is an arithmetic number, because the mean of its divisors is an integer number (3274720).

Almost surely, 213067419 is an apocalyptic number.

13067419 is a deficient number, since it is larger than the sum of its proper divisors (31461).

13067419 is an equidigital number, since it uses as much as digits as its factorization.

13067419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31460.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13067419 is about 3614.8885183364. Note that the first 3 decimals coincide. The cubic root of 13067419 is about 235.5392415409.

The spelling of 13067419 in words is "thirteen million, sixty-seven thousand, four hundred nineteen".

Divisors: 1 421 31039 13067419