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12970064 = 246197137
BaseRepresentation
bin110001011110…
…100001010000
3220101221120202
4301132201100
511310020224
61141554332
7215146412
oct61364120
926357522
1012970064
117359668
1244159a8
1328c16c3
141a189b2
151212eae
hexc5e850

12970064 has 40 divisors (see below), whose sum is σ = 25993128. Its totient is φ = 6266880.

The previous prime is 12970057. The next prime is 12970093. The reversal of 12970064 is 46007921.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 12816400 = 392^2 + 3580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94604 + ... + 94740.

Almost surely, 212970064 is an apocalyptic number.

It is an amenable number.

12970064 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12970064 is a wasteful number, since it uses less digits than its factorization.

12970064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12970064 is about 3601.3975065244. The cubic root of 12970064 is about 234.9528440163.

Adding to 12970064 its reverse (46007921), we get a palindrome (58977985).

The spelling of 12970064 in words is "twelve million, nine hundred seventy thousand, sixty-four".

Divisors: 1 2 4 8 16 61 97 122 137 194 244 274 388 488 548 776 976 1096 1552 2192 5917 8357 11834 13289 16714 23668 26578 33428 47336 53156 66856 94672 106312 133712 212624 810629 1621258 3242516 6485032 12970064