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12325217 = 23535879
BaseRepresentation
bin101111000001…
…000101100001
3212012012000112
4233001011201
511123401332
61120101105
7206522402
oct57010541
925165015
1012325217
116a59133
124164795
132727038
1418cb9a9
151136db2
hexbc1161

12325217 has 4 divisors (see below), whose sum is σ = 12861120. Its totient is φ = 11789316.

The previous prime is 12325211. The next prime is 12325231. The reversal of 12325217 is 71252321.

It is a happy number.

12325217 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12325217 - 212 = 12321121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 535879 = 12325217 / (1 + 2 + 3 + 2 + 5 + 2 + 1 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12325192 and 12325201.

It is not an unprimeable number, because it can be changed into a prime (12325211) 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, 267917 + ... + 267962.

It is an arithmetic number, because the mean of its divisors is an integer number (3215280).

Almost surely, 212325217 is an apocalyptic number.

It is an amenable number.

12325217 is a deficient number, since it is larger than the sum of its proper divisors (535903).

12325217 is an equidigital number, since it uses as much as digits as its factorization.

12325217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535902.

The product of its digits is 840, while the sum is 23.

The square root of 12325217 is about 3510.7288417079. The cubic root of 12325217 is about 230.9926660715.

Adding to 12325217 its reverse (71252321), we get a palindrome (83577538).

The spelling of 12325217 in words is "twelve million, three hundred twenty-five thousand, two hundred seventeen".

Divisors: 1 23 535879 12325217