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12975933 = 323892113
BaseRepresentation
bin110001011111…
…111100111101
3220102020122010
4301133330331
511310212213
61142041433
7215202465
oct61377475
926366563
1012975933
117363013
124419279
1328c4289
141a1aba5
151214ac3
hexc5ff3d

12975933 has 16 divisors (see below), whose sum is σ = 18264960. Its totient is φ = 8177664.

The previous prime is 12975899. The next prime is 12975953. The reversal of 12975933 is 33957921.

It is not a de Polignac number, because 12975933 - 26 = 12975869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12975891 and 12975900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5085 + ... + 7197.

It is an arithmetic number, because the mean of its divisors is an integer number (1141560).

Almost surely, 212975933 is an apocalyptic number.

It is an amenable number.

12975933 is a deficient number, since it is larger than the sum of its proper divisors (5289027).

12975933 is a wasteful number, since it uses less digits than its factorization.

12975933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228.

The product of its digits is 51030, while the sum is 39.

The square root of 12975933 is about 3602.2122369455. The cubic root of 12975933 is about 234.9882776709.

The spelling of 12975933 in words is "twelve million, nine hundred seventy-five thousand, nine hundred thirty-three".

Divisors: 1 3 23 69 89 267 2047 2113 6141 6339 48599 145797 188057 564171 4325311 12975933