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12533317 is a prime number
BaseRepresentation
bin101111110011…
…111001000101
3212120202110221
4233303321011
511202031232
61124344341
7211350166
oct57637105
925522427
1012533317
117090515
1242450b1
13279a984
14194376d
151178897
hexbf3e45

12533317 has 2 divisors, whose sum is σ = 12533318. Its totient is φ = 12533316.

The previous prime is 12533309. The next prime is 12533327. The reversal of 12533317 is 71333521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 3587236 = 2991^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 12533317 - 23 = 12533309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12533291 and 12533300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12533327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266658 + 6266659.

It is an arithmetic number, because the mean of its divisors is an integer number (6266659).

Almost surely, 212533317 is an apocalyptic number.

It is an amenable number.

12533317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533317 is an equidigital number, since it uses as much as digits as its factorization.

12533317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 25.

The square root of 12533317 is about 3540.2425058179. The cubic root of 12533317 is about 232.2854505132.

Adding to 12533317 its reverse (71333521), we get a palindrome (83866838).

The spelling of 12533317 in words is "twelve million, five hundred thirty-three thousand, three hundred seventeen".