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12777038 = 217893571
BaseRepresentation
bin110000101111…
…011001001110
3220001010210122
4300233121032
511232331123
61133504542
7213413561
oct60573116
926033718
1012777038
11723763a
124342152
1328548a1
1419a84d8
1511c5bc8
hexc2f64e

12777038 has 8 divisors (see below), whose sum is σ = 19181640. Its totient is φ = 6383160.

The previous prime is 12776993. The next prime is 12777041. The reversal of 12777038 is 83077721.

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

It is a junction number, because it is equal to n+sod(n) for n = 12776989 and 12777007.

It is a congruent number.

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, 1793 + ... + 5363.

It is an arithmetic number, because the mean of its divisors is an integer number (2397705).

Almost surely, 212777038 is an apocalyptic number.

12777038 is a deficient number, since it is larger than the sum of its proper divisors (6404602).

12777038 is a wasteful number, since it uses less digits than its factorization.

12777038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 12777038 is about 3574.4982864732. The cubic root of 12777038 is about 233.7814576325.

The spelling of 12777038 in words is "twelve million, seven hundred seventy-seven thousand, thirty-eight".

Divisors: 1 2 1789 3571 3578 7142 6388519 12777038