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13304724 = 2231108727
BaseRepresentation
bin110010110000…
…001110010100
3221000221122120
4302300032110
511401222344
61153055540
7221042166
oct62601624
927027576
1013304724
117568044
1245575b0
1329aab24
141aa4936
15127c219
hexcb0394

13304724 has 12 divisors (see below), whose sum is σ = 31044384. Its totient is φ = 4434904.

The previous prime is 13304717. The next prime is 13304729. The reversal of 13304724 is 42740331.

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 = 13304694 and 13304703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13304729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554352 + ... + 554375.

It is an arithmetic number, because the mean of its divisors is an integer number (2587032).

Almost surely, 213304724 is an apocalyptic number.

It is an amenable number.

13304724 is an abundant number, since it is smaller than the sum of its proper divisors (17739660).

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

13304724 is a wasteful number, since it uses less digits than its factorization.

13304724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108734 (or 1108732 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13304724 is about 3647.5641186962. The cubic root of 13304724 is about 236.9564982736.

It can be divided in two parts, 13304 and 724, that added together give a triangular number (14028 = T167).

The spelling of 13304724 in words is "thirteen million, three hundred four thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 1108727 2217454 3326181 4434908 6652362 13304724