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12132495 = 325535087
BaseRepresentation
bin101110010010…
…000010001111
3211211101122200
4232102002033
511101214440
61112012543
7205060464
oct56220217
924741580
1012132495
116937361
124091153
13268a3bb
14187b66b
1510e9c30
hexb9208f

12132495 has 24 divisors (see below), whose sum is σ = 21430656. Its totient is φ = 6347328.

The previous prime is 12132487. The next prime is 12132499. The reversal of 12132495 is 59423121.

It is not a de Polignac number, because 12132495 - 23 = 12132487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (892944).

Almost surely, 212132495 is an apocalyptic number.

12132495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12132495 is a deficient number, since it is larger than the sum of its proper divisors (9298161).

12132495 is a wasteful number, since it uses less digits than its factorization.

12132495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151 (or 5148 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12132495 is about 3483.1731223125. The cubic root of 12132495 is about 229.7823713318.

The spelling of 12132495 in words is "twelve million, one hundred thirty-two thousand, four hundred ninety-five".

Divisors: 1 3 5 9 15 45 53 159 265 477 795 2385 5087 15261 25435 45783 76305 228915 269611 808833 1348055 2426499 4044165 12132495