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12313678 = 2132172143
BaseRepresentation
bin101110111110…
…010001001110
3212011121012011
4232332101032
511123014203
61115531434
7206443636
oct56762116
925147164
1012313678
116a504a3
124159b7a
132721a00
1418c76c6
15113376d
hexbbe44e

12313678 has 24 divisors (see below), whose sum is σ = 21187008. Its totient is φ = 5346432.

The previous prime is 12313673. The next prime is 12313703. The reversal of 12313678 is 87631321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4675 + ... + 6817.

It is an arithmetic number, because the mean of its divisors is an integer number (882792).

Almost surely, 212313678 is an apocalyptic number.

12313678 is a deficient number, since it is larger than the sum of its proper divisors (8873330).

12313678 is a wasteful number, since it uses less digits than its factorization.

12313678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188 (or 2175 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 12313678 is about 3509.0850659396. The cubic root of 12313678 is about 230.9205576290.

Adding to 12313678 its reverse (87631321), we get a palindrome (99944999).

The spelling of 12313678 in words is "twelve million, three hundred thirteen thousand, six hundred seventy-eight".

Divisors: 1 2 13 17 26 34 169 221 338 442 2143 2873 4286 5746 27859 36431 55718 72862 362167 473603 724334 947206 6156839 12313678