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13104732 = 2231092061
BaseRepresentation
bin110001111111…
…011001011100
3220122210022110
4301333121130
511323322412
61144514020
7216250134
oct61773134
926583273
1013104732
117440863
12447b910
13293aaa4
141a51ac4
15123cd3c
hexc7f65c

13104732 has 12 divisors (see below), whose sum is σ = 30577736. Its totient is φ = 4368240.

The previous prime is 13104719. The next prime is 13104761. The reversal of 13104732 is 23740131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13104699 and 13104708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546019 + ... + 546042.

Almost surely, 213104732 is an apocalyptic number.

13104732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13104732 is an abundant number, since it is smaller than the sum of its proper divisors (17473004).

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

13104732 is a wasteful number, since it uses less digits than its factorization.

13104732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092068 (or 1092066 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13104732 is about 3620.0458560632. The cubic root of 13104732 is about 235.7632164982.

Adding to 13104732 its reverse (23740131), we get a palindrome (36844863).

The spelling of 13104732 in words is "thirteen million, one hundred four thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 1092061 2184122 3276183 4368244 6552366 13104732