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13400012 = 2217197059
BaseRepresentation
bin110011000111…
…011111001100
3221012210100202
4303013133030
511412300022
61155113032
7221620043
oct63073714
927183322
1013400012
11762269a
1245a2778
132a12302
141acb55a
15129a592
hexcc77cc

13400012 has 12 divisors (see below), whose sum is σ = 24829560. Its totient is φ = 6305856.

The previous prime is 13399999. The next prime is 13400027. The reversal of 13400012 is 21000431.

It is a happy number.

13400012 is nontrivially palindromic in base 16.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13399966 and 13400002.

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, 98462 + ... + 98597.

It is an arithmetic number, because the mean of its divisors is an integer number (2069130).

Almost surely, 213400012 is an apocalyptic number.

It is an amenable number.

13400012 is a deficient number, since it is larger than the sum of its proper divisors (11429548).

13400012 is a wasteful number, since it uses less digits than its factorization.

13400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197080 (or 197078 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 13400012 is about 3660.6026826194. The cubic root of 13400012 is about 237.5208447079.

Adding to 13400012 its reverse (21000431), we get a palindrome (34400443).

The spelling of 13400012 in words is "thirteen million, four hundred thousand, twelve".

Divisors: 1 2 4 17 34 68 197059 394118 788236 3350003 6700006 13400012