12735706 has 4 divisors (see below), whose sum is σ = 19103562. Its totient is φ = 6367852.

The previous prime is 12735691. The next prime is 12735713. The reversal of 12735706 is 60753721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8755681 + 3980025 = 2959^2 + 1995^2 .

It is an unprimeable number.

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, 3183925 + ... + 3183928.

Almost surely, 2^12735706 is an apocalyptic number.

12735706 is a deficient number, since it is larger than the sum of its proper divisors (6367856).

12735706 is an equidigital number, since it uses as much as digits as its factorization.

12735706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367855.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 12735706 is about 3568.7120926183. The cubic root of 12735706 is about 233.5291014630.

The spelling of 12735706 in words is "twelve million, seven hundred thirty-five thousand, seven hundred six".