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12313719 = 3211294289
BaseRepresentation
bin101110111110…
…010001110111
3212011121020200
4232332101313
511123014334
61115531543
7206444025
oct56762167
925147220
1012313719
116a50530
124159bb3
132721a32
1418c7715
151133799
hexbbe477

12313719 has 24 divisors (see below), whose sum is σ = 20077200. Its totient is φ = 7203840.

The previous prime is 12313709. The next prime is 12313747. The reversal of 12313719 is 91731321.

12313719 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12313719 - 24 = 12313703 is a prime.

It is a super-2 number, since 2×123137192 = 303255351221922, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12313692 and 12313701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727 + ... + 5015.

It is an arithmetic number, because the mean of its divisors is an integer number (836550).

Almost surely, 212313719 is an apocalyptic number.

12313719 is a deficient number, since it is larger than the sum of its proper divisors (7763481).

12313719 is a wasteful number, since it uses less digits than its factorization.

12313719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335 (or 4332 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 12313719 is about 3509.0909079133. The cubic root of 12313719 is about 230.9208139221.

It can be divided in two parts, 1231 and 3719, that added together give a triangular number (4950 = T99).

The spelling of 12313719 in words is "twelve million, three hundred thirteen thousand, seven hundred nineteen".

Divisors: 1 3 9 11 29 33 87 99 261 319 957 2871 4289 12867 38601 47179 124381 141537 373143 424611 1119429 1368191 4104573 12313719