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12368999 = 61720047
BaseRepresentation
bin101111001011…
…110001100111
3212021102002002
4233023301213
511131301444
61121035515
7210064136
oct57136147
925242062
1012368999
116a89015
124185b9b
132740c46
1418dd91d
151144d4e
hexbcbc67

12368999 has 4 divisors (see below), whose sum is σ = 12389664. Its totient is φ = 12348336.

The previous prime is 12368971. The next prime is 12369011. The reversal of 12368999 is 99986321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12368999 - 220 = 11320423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12368099) 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, 9407 + ... + 10640.

It is an arithmetic number, because the mean of its divisors is an integer number (3097416).

Almost surely, 212368999 is an apocalyptic number.

12368999 is a deficient number, since it is larger than the sum of its proper divisors (20665).

12368999 is an equidigital number, since it uses as much as digits as its factorization.

12368999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20664.

The product of its digits is 209952, while the sum is 47.

The square root of 12368999 is about 3516.9587714388. The cubic root of 12368999 is about 231.2658558400.

The spelling of 12368999 in words is "twelve million, three hundred sixty-eight thousand, nine hundred ninety-nine".

Divisors: 1 617 20047 12368999