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13104975 = 3521313441
BaseRepresentation
bin110001111111…
…011101001111
3220122210122110
4301333131033
511323324400
61144515103
7216250632
oct61773517
926583573
1013104975
117440a64
12447ba93
13293ac30
141a51c19
15123ce50
hexc7f74f

13104975 has 24 divisors (see below), whose sum is σ = 23335312. Its totient is φ = 6451200.

The previous prime is 13104929. The next prime is 13104979. The reversal of 13104975 is 57940131.

It is not a de Polignac number, because 13104975 - 26 = 13104911 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5746 + ... + 7695.

Almost surely, 213104975 is an apocalyptic number.

13104975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13104975 is a deficient number, since it is larger than the sum of its proper divisors (10230337).

13104975 is a wasteful number, since it uses less digits than its factorization.

13104975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13467 (or 13462 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 13104975 is about 3620.0794190183. The cubic root of 13104975 is about 235.7646737353.

The spelling of 13104975 in words is "thirteen million, one hundred four thousand, nine hundred seventy-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 13441 40323 67205 174733 201615 336025 524199 873665 1008075 2620995 4368325 13104975