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13086424 = 2313294339
BaseRepresentation
bin110001111010…
…111011011000
3220121212012101
4301322323120
511322231144
61144253144
7216142561
oct61727330
926555171
1013086424
11742902a
1244711b4
132932660
141a49168
1512376d4
hexc7aed8

13086424 has 32 divisors (see below), whose sum is σ = 27342000. Its totient is φ = 5830272.

The previous prime is 13086397. The next prime is 13086427. The reversal of 13086424 is 42468031.

It is a junction number, because it is equal to n+sod(n) for n = 13086392 and 13086401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086427) 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, 847 + ... + 5185.

Almost surely, 213086424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13086424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13671000).

13086424 is an abundant number, since it is smaller than the sum of its proper divisors (14255576).

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

13086424 is a wasteful number, since it uses less digits than its factorization.

13086424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387 (or 4383 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 13086424 is about 3617.5162750152. The cubic root of 13086424 is about 235.6533741250.

The spelling of 13086424 in words is "thirteen million, eighty-six thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 232 377 754 1508 3016 4339 8678 17356 34712 56407 112814 125831 225628 251662 451256 503324 1006648 1635803 3271606 6543212 13086424