12705064 has 8 divisors (see below), whose sum is σ = 23822010. Its totient is φ = 6352528.

The previous prime is 12705061. The next prime is 12705067. The reversal of 12705064 is 46050721.

It is an interprime number because it is at equal distance from previous prime (12705061) and next prime (12705067).

It can be written as a sum of positive squares in only one way, i.e., 8168164 + 4536900 = 2858^2 + 2130^2 .

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

It is a super-2 number, since 2×12705064² = 322837302488192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12705061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794059 + ... + 794074.

Almost surely, 2^12705064 is an apocalyptic number.

It is an amenable number.

12705064 is a deficient number, since it is larger than the sum of its proper divisors (11116946).

12705064 is a wasteful number, since it uses less digits than its factorization.

12705064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588139 (or 1588135 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12705064 is about 3564.4163617625. The cubic root of 12705064 is about 233.3416613808.

Adding to 12705064 its reverse (46050721), we get a palindrome (58755785).

The spelling of 12705064 in words is "twelve million, seven hundred five thousand, sixty-four".