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13053879 = 34161159
BaseRepresentation
bin110001110010…
…111110110111
3220120012120000
4301302332313
511320211004
61143442343
7215645646
oct61627667
926505500
1013053879
117406633
1244563b3
1329208b7
141a3b35d
15122cc39
hexc72fb7

13053879 has 10 divisors (see below), whose sum is σ = 19500360. Its totient is φ = 8702532.

The previous prime is 13053877. The next prime is 13053899. The reversal of 13053879 is 97835031.

It is not a de Polignac number, because 13053879 - 21 = 13053877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13053871) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 80499 + ... + 80660.

It is an arithmetic number, because the mean of its divisors is an integer number (1950036).

Almost surely, 213053879 is an apocalyptic number.

13053879 is a deficient number, since it is larger than the sum of its proper divisors (6446481).

13053879 is an equidigital number, since it uses as much as digits as its factorization.

13053879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161171 (or 161162 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 13053879 is about 3613.0152227745. The cubic root of 13053879 is about 235.4578609337.

It can be divided in two parts, 1305 and 3879, that added together give a square (5184 = 722).

The spelling of 13053879 in words is "thirteen million, fifty-three thousand, eight hundred seventy-nine".

Divisors: 1 3 9 27 81 161159 483477 1450431 4351293 13053879