12735956 has 6 divisors (see below), whose sum is σ = 22287930. Its totient is φ = 6367976.

The previous prime is 12735937. The next prime is 12735967. The reversal of 12735956 is 65953721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12716356 + 19600 = 3566^2 + 140^2 .

It is a congruent number.

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, 1591991 + ... + 1591998.

It is an arithmetic number, because the mean of its divisors is an integer number (3714655).

Almost surely, 2^12735956 is an apocalyptic number.

It is an amenable number.

12735956 is a deficient number, since it is larger than the sum of its proper divisors (9551974).

12735956 is a wasteful number, since it uses less digits than its factorization.

12735956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183993 (or 3183991 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 12735956 is about 3568.7471190882. The cubic root of 12735956 is about 233.5306295001.

The spelling of 12735956 in words is "twelve million, seven hundred thirty-five thousand, nine hundred fifty-six".