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13230335 = 517315021
BaseRepresentation
bin110010011110…
…000011111111
3220220011121102
4302132003333
511341332320
61151323315
7220312256
oct62360377
926804542
1013230335
117517168
12452053b
132983001
141a8579d
151265175
hexc9e0ff

13230335 has 16 divisors (see below), whose sum is σ = 17356032. Its totient is φ = 9638400.

The previous prime is 13230307. The next prime is 13230341. The reversal of 13230335 is 53303231.

It is not a de Polignac number, because 13230335 - 26 = 13230271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (1084752).

Almost surely, 213230335 is an apocalyptic number.

13230335 is a deficient number, since it is larger than the sum of its proper divisors (4125697).

13230335 is a wasteful number, since it uses less digits than its factorization.

13230335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 13230335 is about 3637.3527461603. The cubic root of 13230335 is about 236.5140511358.

Adding to 13230335 its reverse (53303231), we get a palindrome (66533566).

The spelling of 13230335 in words is "thirteen million, two hundred thirty thousand, three hundred thirty-five".

Divisors: 1 5 17 31 85 155 527 2635 5021 25105 85357 155651 426785 778255 2646067 13230335