Search a number
-
+
13136923 = 19472313
BaseRepresentation
bin110010000111…
…010000011011
3220201102110201
4302013100123
511330340143
61145323031
7216443032
oct62072033
926642421
1013136923
117462a68
124496477
13294c637
141a5d719
15124764d
hexc8741b

13136923 has 12 divisors (see below), whose sum is σ = 14173960. Its totient is φ = 12141792.

The previous prime is 13136911. The next prime is 13136927. The reversal of 13136923 is 32963131.

13136923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13136923 - 221 = 11039771 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13136891 and 13136900.

It is not an unprimeable number, because it can be changed into a prime (13136927) 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 11 ways as a sum of consecutive naturals, for example, 41815 + ... + 42127.

Almost surely, 213136923 is an apocalyptic number.

13136923 is a deficient number, since it is larger than the sum of its proper divisors (1037037).

13136923 is an equidigital number, since it uses as much as digits as its factorization.

13136923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 379 counting only the distinct ones).

The product of its digits is 2916, while the sum is 28.

The square root of 13136923 is about 3624.4893433420. The cubic root of 13136923 is about 235.9561047826.

The spelling of 13136923 in words is "thirteen million, one hundred thirty-six thousand, nine hundred twenty-three".

Divisors: 1 19 47 313 893 2209 5947 14711 41971 279509 691417 13136923