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12513684 = 2232414327
BaseRepresentation
bin101111101111…
…000110010100
3212112202112210
4233233012110
511200414214
61124113420
7211236021
oct57570624
925482483
1012513684
117077797
124235870
132791a61
14193a548
151172b59
hexbef194

12513684 has 24 divisors (see below), whose sum is σ = 29326528. Its totient is φ = 4152960.

The previous prime is 12513653. The next prime is 12513689. The reversal of 12513684 is 48631521.

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 (12513689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729 + ... + 5055.

Almost surely, 212513684 is an apocalyptic number.

It is an amenable number.

12513684 is an abundant number, since it is smaller than the sum of its proper divisors (16812844).

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

12513684 is a wasteful number, since it uses less digits than its factorization.

12513684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575 (or 4573 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 12513684 is about 3537.4685864330. The cubic root of 12513684 is about 232.1640981319.

The spelling of 12513684 in words is "twelve million, five hundred thirteen thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 241 482 723 964 1446 2892 4327 8654 12981 17308 25962 51924 1042807 2085614 3128421 4171228 6256842 12513684