Search a number
-
+
12628970 = 251262897
BaseRepresentation
bin110000001011…
…001111101010
3212202121200122
4300023033222
511213111340
61130403242
7212226104
oct60131752
925677618
1012628970
117146372
124290522
132802383
14196a574
151196db5
hexc0b3ea

12628970 has 8 divisors (see below), whose sum is σ = 22732164. Its totient is φ = 5051584.

The previous prime is 12628969. The next prime is 12628981. The reversal of 12628970 is 7982621.

It is a happy number.

12628970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10621081 + 2007889 = 3259^2 + 1417^2 .

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 12628970.

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, 631439 + ... + 631458.

Almost surely, 212628970 is an apocalyptic number.

12628970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12628970 is a deficient number, since it is larger than the sum of its proper divisors (10103194).

12628970 is a wasteful number, since it uses less digits than its factorization.

12628970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262904.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 12628970 is about 3553.7262134273. The cubic root of 12628970 is about 232.8748798657.

The spelling of 12628970 in words is "twelve million, six hundred twenty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 1262897 2525794 6314485 12628970