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12791074 = 219933209
BaseRepresentation
bin110000110010…
…110100100010
3220001212001111
4300302310202
511233303244
61134053534
7213502522
oct60626442
926055044
1012791074
11724713a
12434a2aa
13285b0aa
1419ad682
1511c9e34
hexc32d22

12791074 has 8 divisors (see below), whose sum is σ = 19202220. Its totient is φ = 6390336.

The previous prime is 12791039. The next prime is 12791087. The reversal of 12791074 is 47019721.

It can be written as a sum of positive squares in 2 ways, for example, as 12496225 + 294849 = 3535^2 + 543^2 .

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

It is a super-2 number, since 2×127910742 = 327223148146952, which contains 22 as substring.

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, 2382 + ... + 5590.

Almost surely, 212791074 is an apocalyptic number.

12791074 is a deficient number, since it is larger than the sum of its proper divisors (6411146).

12791074 is a wasteful number, since it uses less digits than its factorization.

12791074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12791074 is about 3576.4611000261. The cubic root of 12791074 is about 233.8670318664.

The spelling of 12791074 in words is "twelve million, seven hundred ninety-one thousand, seventy-four".

Divisors: 1 2 1993 3209 3986 6418 6395537 12791074