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12797118 = 232710951
BaseRepresentation
bin110000110100…
…010010111110
3220002011100100
4300310102332
511234001433
61134141530
7213526245
oct60642276
926064310
1012797118
117250734
1243518a6
132860a79
1419b195c
1511cbb13
hexc344be

12797118 has 12 divisors (see below), whose sum is σ = 27727128. Its totient is φ = 4265700.

The previous prime is 12797117. The next prime is 12797143. The reversal of 12797118 is 81179721.

12797118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12797117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355458 + ... + 355493.

It is an arithmetic number, because the mean of its divisors is an integer number (2310594).

Almost surely, 212797118 is an apocalyptic number.

12797118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12797118 is an abundant number, since it is smaller than the sum of its proper divisors (14930010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12797118 is a wasteful number, since it uses less digits than its factorization.

12797118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710959 (or 710956 counting only the distinct ones).

The product of its digits is 7056, while the sum is 36.

The square root of 12797118 is about 3577.3059695810. The cubic root of 12797118 is about 233.9038614494.

The spelling of 12797118 in words is "twelve million, seven hundred ninety-seven thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 18 710951 1421902 2132853 4265706 6398559 12797118