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12102313 = 831391049
BaseRepresentation
bin101110001010…
…101010101001
3211202212020211
4232022222221
511044233223
61111221121
7204603466
oct56125251
924685224
1012102313
116916713
1240777a1
132679742
14187066d
1510e0d0d
hexb8aaa9

12102313 has 8 divisors (see below), whose sum is σ = 12348000. Its totient is φ = 11859168.

The previous prime is 12102289. The next prime is 12102329. The reversal of 12102313 is 31320121.

12102313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12102313 - 29 = 12101801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102293 and 12102302.

It is not an unprimeable number, because it can be changed into a prime (12102383) 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, 11013 + ... + 12061.

It is an arithmetic number, because the mean of its divisors is an integer number (1543500).

Almost surely, 212102313 is an apocalyptic number.

It is an amenable number.

12102313 is a deficient number, since it is larger than the sum of its proper divisors (245687).

12102313 is a wasteful number, since it uses less digits than its factorization.

12102313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12102313 is about 3478.8378806722. The cubic root of 12102313 is about 229.5916699560.

Adding to 12102313 its reverse (31320121), we get a palindrome (43422434).

The spelling of 12102313 in words is "twelve million, one hundred two thousand, three hundred thirteen".

Divisors: 1 83 139 1049 11537 87067 145811 12102313