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12939093 = 3213910343
BaseRepresentation
bin110001010110…
…111101010101
3220100101002200
4301112331111
511303022333
61141155113
7214660206
oct61267525
926311080
1012939093
117338372
1243bba99
1328b058b
141a0b5ad
151208c13
hexc56f55

12939093 has 12 divisors (see below), whose sum is σ = 18826080. Its totient is φ = 8563176.

The previous prime is 12939083. The next prime is 12939109. The reversal of 12939093 is 39093921.

It is not a de Polignac number, because 12939093 - 24 = 12939077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3921 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (1568840).

Almost surely, 212939093 is an apocalyptic number.

It is an amenable number.

12939093 is a deficient number, since it is larger than the sum of its proper divisors (5886987).

12939093 is a wasteful number, since it uses less digits than its factorization.

12939093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488 (or 10485 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 12939093 is about 3597.0950779761. The cubic root of 12939093 is about 234.7656816344.

The spelling of 12939093 in words is "twelve million, nine hundred thirty-nine thousand, ninety-three".

Divisors: 1 3 9 139 417 1251 10343 31029 93087 1437677 4313031 12939093