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13242927 = 34414309
BaseRepresentation
bin110010100001…
…001000101111
3220220210212210
4302201020233
511342233202
61151501503
7220364055
oct62411057
926823783
1013242927
117525675
124527893
132988969
141a8a1d5
151268c6c
hexca122f

13242927 has 4 divisors (see below), whose sum is σ = 17657240. Its totient is φ = 8828616.

The previous prime is 13242923. The next prime is 13242967. The reversal of 13242927 is 72924231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72924231 = 324308077.

It is not a de Polignac number, because 13242927 - 22 = 13242923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13242894 and 13242903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242923) 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 3 ways as a sum of consecutive naturals, for example, 2207152 + ... + 2207157.

It is an arithmetic number, because the mean of its divisors is an integer number (4414310).

Almost surely, 213242927 is an apocalyptic number.

13242927 is a deficient number, since it is larger than the sum of its proper divisors (4414313).

13242927 is an equidigital number, since it uses as much as digits as its factorization.

13242927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414312.

The product of its digits is 6048, while the sum is 30.

The square root of 13242927 is about 3639.0832636806. The cubic root of 13242927 is about 236.5890615972.

The spelling of 13242927 in words is "thirteen million, two hundred forty-two thousand, nine hundred twenty-seven".

Divisors: 1 3 4414309 13242927