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13275979 = 611032113
BaseRepresentation
bin110010101001…
…001101001011
3220222111012221
4302221031023
511344312404
61152314511
7220562323
oct62511513
926874187
1013275979
117548492
124542a37
13299aa12
141a98283
151273954
hexca934b

13275979 has 8 divisors (see below), whose sum is σ = 13631072. Its totient is φ = 12925440.

The previous prime is 13275973. The next prime is 13276001. The reversal of 13275979 is 97957231.

13275979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13275979 - 23 = 13275971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13275971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5227 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (1703884).

Almost surely, 213275979 is an apocalyptic number.

13275979 is a deficient number, since it is larger than the sum of its proper divisors (355093).

13275979 is a wasteful number, since it uses less digits than its factorization.

13275979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277.

The product of its digits is 119070, while the sum is 43.

The square root of 13275979 is about 3643.6216872776. The cubic root of 13275979 is about 236.7857262043.

The spelling of 13275979 in words is "thirteen million, two hundred seventy-five thousand, nine hundred seventy-nine".

Divisors: 1 61 103 2113 6283 128893 217639 13275979