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12633317 = 37557613
BaseRepresentation
bin110000001100…
…010011100101
3212202211122122
4300030103211
511213231232
61130435325
7212244554
oct60142345
925684578
1012633317
117149664
124292b45
132804348
14196bd9b
151198312
hexc0c4e5

12633317 has 8 divisors (see below), whose sum is σ = 13019256. Its totient is φ = 12249792.

The previous prime is 12633311. The next prime is 12633323. The reversal of 12633317 is 71333621.

It is an interprime number because it is at equal distance from previous prime (12633311) and next prime (12633323).

It can be written as a sum of positive squares in 4 ways, for example, as 2401 + 12630916 = 49^2 + 3554^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12633317 - 26 = 12633253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20303 + ... + 20915.

It is an arithmetic number, because the mean of its divisors is an integer number (1627407).

Almost surely, 212633317 is an apocalyptic number.

It is an amenable number.

12633317 is a deficient number, since it is larger than the sum of its proper divisors (385939).

12633317 is an equidigital number, since it uses as much as digits as its factorization.

12633317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 2268, while the sum is 26.

The square root of 12633317 is about 3554.3377723565. The cubic root of 12633317 is about 232.9015959789.

Adding to 12633317 its reverse (71333621), we get a palindrome (83966938).

The spelling of 12633317 in words is "twelve million, six hundred thirty-three thousand, three hundred seventeen".

Divisors: 1 37 557 613 20609 22681 341441 12633317