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12828624 = 243673989
BaseRepresentation
bin110000111011…
…111111010000
3220010202120020
4300323333100
511241003444
61134543440
7214020144
oct60737720
926122506
1012828624
117272376
124367b80
132872203
1419bd224
1511d6119
hexc3bfd0

12828624 has 40 divisors (see below), whose sum is σ = 33643680. Its totient is φ = 4211328.

The previous prime is 12828623. The next prime is 12828631. The reversal of 12828624 is 42682821.

It is a happy number.

It is a super-3 number, since 3×128286243 (a number of 22 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12828623) 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, 1222 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (841092).

Almost surely, 212828624 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 12828624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16821840).

12828624 is an abundant number, since it is smaller than the sum of its proper divisors (20815056).

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

12828624 is a wasteful number, since it uses less digits than its factorization.

12828624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067 (or 4061 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 12828624 is about 3581.7068556765. The cubic root of 12828624 is about 234.0956581652.

The spelling of 12828624 in words is "twelve million, eight hundred twenty-eight thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 134 201 268 402 536 804 1072 1608 3216 3989 7978 11967 15956 23934 31912 47868 63824 95736 191472 267263 534526 801789 1069052 1603578 2138104 3207156 4276208 6414312 12828624