Search a number
-
+
12425117 is a prime number
BaseRepresentation
bin101111011001…
…011110011101
3212101021001112
4233121132131
511140100432
61122151405
7210416555
oct57313635
925337045
1012425117
1170171a1
1241b2565
132760653
141916165
1511567b2
hexbd979d

12425117 has 2 divisors, whose sum is σ = 12425118. Its totient is φ = 12425116.

The previous prime is 12425089. The next prime is 12425131. The reversal of 12425117 is 71152421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6220036 + 6205081 = 2494^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 12425117 - 26 = 12425053 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12425092 and 12425101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12425167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212558 + 6212559.

It is an arithmetic number, because the mean of its divisors is an integer number (6212559).

Almost surely, 212425117 is an apocalyptic number.

It is an amenable number.

12425117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12425117 is an equidigital number, since it uses as much as digits as its factorization.

12425117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560, while the sum is 23.

The square root of 12425117 is about 3524.9279425259. The cubic root of 12425117 is about 231.6150783692.

Adding to 12425117 its reverse (71152421), we get a palindrome (83577538).

The spelling of 12425117 in words is "twelve million, four hundred twenty-five thousand, one hundred seventeen".