Search a number
-
+
12610919 is a prime number
BaseRepresentation
bin110000000110…
…110101100111
3212201200221002
4300012311213
511212022134
61130143515
7212122346
oct60066547
925650832
1012610919
117133852
124281b9b
1327c70a9
141963b5d
15119187e
hexc06d67

12610919 has 2 divisors, whose sum is σ = 12610920. Its totient is φ = 12610918.

The previous prime is 12610901. The next prime is 12610921. The reversal of 12610919 is 91901621.

12610919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12610919 is a prime.

It is a super-2 number, since 2×126109192 = 318070556049122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 12610921, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12610891 and 12610900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12610519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305459 + 6305460.

It is an arithmetic number, because the mean of its divisors is an integer number (6305460).

Almost surely, 212610919 is an apocalyptic number.

12610919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12610919 is an equidigital number, since it uses as much as digits as its factorization.

12610919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 12610919 is about 3551.1855766772. The cubic root of 12610919 is about 232.7638750663.

The spelling of 12610919 in words is "twelve million, six hundred ten thousand, nine hundred nineteen".