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12313745 = 516714747
BaseRepresentation
bin101110111110…
…010010010001
3212011121021122
4232332102101
511123014440
61115532025
7206444063
oct56762221
925147248
1012313745
116a50554
12415a015
132721a52
1418c7733
1511337b5
hexbbe491

12313745 has 8 divisors (see below), whose sum is σ = 14865984. Its totient is φ = 9791344.

The previous prime is 12313709. The next prime is 12313747. The reversal of 12313745 is 54731321.

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 12313745 - 216 = 12248209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6539 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (1858248).

Almost surely, 212313745 is an apocalyptic number.

It is an amenable number.

12313745 is a deficient number, since it is larger than the sum of its proper divisors (2552239).

12313745 is a wasteful number, since it uses less digits than its factorization.

12313745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14919.

The product of its digits is 2520, while the sum is 26.

The square root of 12313745 is about 3509.0946125746. The cubic root of 12313745 is about 230.9209764491.

The spelling of 12313745 in words is "twelve million, three hundred thirteen thousand, seven hundred forty-five".

Divisors: 1 5 167 835 14747 73735 2462749 12313745