Search a number
-
+
12774770 = 251277477
BaseRepresentation
bin110000101110…
…110101110010
3220001000200122
4300232311302
511232243040
61133450242
7213404141
oct60566562
926030618
1012774770
117235968
124340982
132853848
1419a7758
1511c51b5
hexc2ed72

12774770 has 8 divisors (see below), whose sum is σ = 22994604. Its totient is φ = 5109904.

The previous prime is 12774767. The next prime is 12774787. The reversal of 12774770 is 7747721.

It can be written as a sum of positive squares in 2 ways, for example, as 12482089 + 292681 = 3533^2 + 541^2 .

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 12774770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638729 + ... + 638748.

Almost surely, 212774770 is an apocalyptic number.

12774770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12774770 is a deficient number, since it is larger than the sum of its proper divisors (10219834).

12774770 is a wasteful number, since it uses less digits than its factorization.

12774770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277484.

The product of its (nonzero) digits is 19208, while the sum is 35.

The square root of 12774770 is about 3574.1810250741. The cubic root of 12774770 is about 233.7676242824.

The spelling of 12774770 in words is "twelve million, seven hundred seventy-four thousand, seven hundred seventy".

Divisors: 1 2 5 10 1277477 2554954 6387385 12774770