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13075255 = 52615051
BaseRepresentation
bin110001111000…
…001100110111
3220121021212201
4301320030313
511321402010
61144125331
7216065164
oct61701467
926537781
1013075255
1174206a6
124466847
13292a54b
141a4506b
15123423a
hexc78337

13075255 has 4 divisors (see below), whose sum is σ = 15690312. Its totient is φ = 10460200.

The previous prime is 13075243. The next prime is 13075277. The reversal of 13075255 is 55257031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55257031 = 60791033.

It is not a de Polignac number, because 13075255 - 213 = 13067063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1307521 + ... + 1307530.

It is an arithmetic number, because the mean of its divisors is an integer number (3922578).

Almost surely, 213075255 is an apocalyptic number.

13075255 is a deficient number, since it is larger than the sum of its proper divisors (2615057).

13075255 is an equidigital number, since it uses as much as digits as its factorization.

13075255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615056.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 13075255 is about 3615.9722067516. The cubic root of 13075255 is about 235.5863132361.

The spelling of 13075255 in words is "thirteen million, seventy-five thousand, two hundred fifty-five".

Divisors: 1 5 2615051 13075255