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1000012 = 221319231
BaseRepresentation
bin11110100001001001100
31212210202111
43310021030
5224000022
633233404
711333326
oct3641114
91783674
101000012
11623362
12402864
13290230
141c0616
1514b477
hexf424c

1000012 has 12 divisors (see below), whose sum is σ = 1884736. Its totient is φ = 461520.

The previous prime is 1000003. The next prime is 1000033. The reversal of 1000012 is 2100001.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a junction number, because it is equal to n+sod(n) for n = 999965 and 1000010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9564 + ... + 9667.

21000012 is an apocalyptic number.

It is an amenable number.

1000012 is a deficient number, since it is larger than the sum of its proper divisors (884724).

1000012 is a wasteful number, since it uses less digits than its factorization.

1000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19248 (or 19246 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 1000012 is about 1000.0059999820. The cubic root of 1000012 is about 100.0003999984. Note that the first 3 decimals are identical.

Adding to 1000012 its reverse (2100001), we get a palindrome (3100013).

Multiplying 1000012 by its reverse (2100001), we get a palindrome (2100026200012).

It can be divided in two parts, 100001 and 2, that multiplied together give a palindrome (200002).

The spelling of 1000012 in words is "one million, twelve", and thus it is an aban number and an uban number.

Divisors: 1 2 4 13 26 52 19231 38462 76924 250003 500006 1000012