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13255914 = 237315617
BaseRepresentation
bin110010100100…
…010011101010
3220221110200210
4302210103222
511343142124
61152041550
7220446660
oct62442352
926843623
1013255914
117534401
1245332b6
132991849
141a90c30
15126ca29
hexca44ea

13255914 has 16 divisors (see below), whose sum is σ = 30299328. Its totient is φ = 3787392.

The previous prime is 13255873. The next prime is 13255951. The reversal of 13255914 is 41955231.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 157767 + ... + 157850.

It is an arithmetic number, because the mean of its divisors is an integer number (1893708).

Almost surely, 213255914 is an apocalyptic number.

13255914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13255914 is an abundant number, since it is smaller than the sum of its proper divisors (17043414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13255914 is a wasteful number, since it uses less digits than its factorization.

13255914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315629.

The product of its digits is 5400, while the sum is 30.

The square root of 13255914 is about 3640.8672043896. The cubic root of 13255914 is about 236.6663752779. Note that the first 3 decimals are identical.

The spelling of 13255914 in words is "thirteen million, two hundred fifty-five thousand, nine hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 315617 631234 946851 1893702 2209319 4418638 6627957 13255914