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12630424 = 231578803
BaseRepresentation
bin110000001011…
…100110011000
3212202200200111
4300023212120
511213133144
61130414104
7212233252
oct60134630
925680614
1012630424
117147474
124291334
132802c31
14196acd2
151197534
hexc0b998

12630424 has 8 divisors (see below), whose sum is σ = 23682060. Its totient is φ = 6315208.

The previous prime is 12630407. The next prime is 12630461. The reversal of 12630424 is 42403621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×126304242 = 319055220839552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12630395 and 12630404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789394 + ... + 789409.

Almost surely, 212630424 is an apocalyptic number.

It is an amenable number.

12630424 is a deficient number, since it is larger than the sum of its proper divisors (11051636).

12630424 is a wasteful number, since it uses less digits than its factorization.

12630424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578809 (or 1578805 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 12630424 is about 3553.9307815432. The cubic root of 12630424 is about 232.8838166484.

It can be divided in two parts, 12 and 630424, that added together give a square (630436 = 7942).

The spelling of 12630424 in words is "twelve million, six hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 1578803 3157606 6315212 12630424