12705036 has 12 divisors (see below), whose sum is σ = 29645112. Its totient is φ = 4235008.

The previous prime is 12705031. The next prime is 12705041. The reversal of 12705036 is 63050721.

It is an interprime number because it is at equal distance from previous prime (12705031) and next prime (12705041).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12705036² = 322835879522592, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12704997 and 12705015.

It is not an unprimeable number, because it can be changed into a prime (12705031) 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 in 3 ways as a sum of consecutive naturals, for example, 529365 + ... + 529388.

It is an arithmetic number, because the mean of its divisors is an integer number (2470426).

Almost surely, 2^12705036 is an apocalyptic number.

It is an amenable number.

12705036 is an abundant number, since it is smaller than the sum of its proper divisors (16940076).

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

12705036 is a wasteful number, since it uses less digits than its factorization.

12705036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058760 (or 1058758 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 12705036 is about 3564.4124340486. The cubic root of 12705036 is about 233.3414899643.

Adding to 12705036 its reverse (63050721), we get a palindrome (75755757).

It can be divided in two parts, 127050 and 36, that multiplied together give a triangular number (4573800 = T₃₀₂₄).

The spelling of 12705036 in words is "twelve million, seven hundred five thousand, thirty-six".