12803956 has 12 divisors (see below), whose sum is σ = 24444000. Its totient is φ = 5819960.

The previous prime is 12803951. The next prime is 12803963. The reversal of 12803956 is 65930821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12803951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145456 + ... + 145543.

It is an arithmetic number, because the mean of its divisors is an integer number (2037000).

Almost surely, 2^12803956 is an apocalyptic number.

It is an amenable number.

12803956 is a deficient number, since it is larger than the sum of its proper divisors (11640044).

12803956 is a wasteful number, since it uses less digits than its factorization.

12803956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291014 (or 291012 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12803956 is about 3578.2615890960. The cubic root of 12803956 is about 233.9455153543.

The spelling of 12803956 in words is "twelve million, eight hundred three thousand, nine hundred fifty-six".