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13275983 = 76728307
BaseRepresentation
bin110010101001…
…001101001111
3220222111020002
4302221031033
511344312413
61152314515
7220562330
oct62511517
926874202
1013275983
117548496
124542a3b
13299aa16
141a98287
151273958
hexca934f

13275983 has 8 divisors (see below), whose sum is σ = 15399552. Its totient is φ = 11209176.

The previous prime is 13275973. The next prime is 13276001. The reversal of 13275983 is 38957231.

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

It is a cyclic number.

It is not a de Polignac number, because 13275983 - 28 = 13275727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13275953) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13685 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (1924944).

Almost surely, 213275983 is an apocalyptic number.

13275983 is a deficient number, since it is larger than the sum of its proper divisors (2123569).

13275983 is an equidigital number, since it uses as much as digits as its factorization.

13275983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28381.

The product of its digits is 45360, while the sum is 38.

The square root of 13275983 is about 3643.6222361820. The cubic root of 13275983 is about 236.7857499852.

The spelling of 13275983 in words is "thirteen million, two hundred seventy-five thousand, nine hundred eighty-three".

Divisors: 1 7 67 469 28307 198149 1896569 13275983