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12870734 = 217378551
BaseRepresentation
bin110001000110…
…010001001110
3220012220022212
4301012101032
511243330414
61135510422
7214254002
oct61062116
926186285
1012870734
1172a0a78
124388412
132888426
1419d0702
1511e383e
hexc4644e

12870734 has 8 divisors (see below), whose sum is σ = 20441808. Its totient is φ = 6056800.

The previous prime is 12870721. The next prime is 12870749. The reversal of 12870734 is 43707821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12870734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189242 + ... + 189309.

It is an arithmetic number, because the mean of its divisors is an integer number (2555226).

Almost surely, 212870734 is an apocalyptic number.

12870734 is a deficient number, since it is larger than the sum of its proper divisors (7571074).

12870734 is a wasteful number, since it uses less digits than its factorization.

12870734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378570.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 12870734 is about 3587.5805217444. The cubic root of 12870734 is about 234.3515183349.

The spelling of 12870734 in words is "twelve million, eight hundred seventy thousand, seven hundred thirty-four".

Divisors: 1 2 17 34 378551 757102 6435367 12870734