12788302 has 4 divisors (see below), whose sum is σ = 19182456. Its totient is φ = 6394150.

The previous prime is 12788263. The next prime is 12788327. The reversal of 12788302 is 20388721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20388721 = 97 ⋅210193.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197074 + ... + 3197077.

It is an arithmetic number, because the mean of its divisors is an integer number (4795614).

Almost surely, 2^12788302 is an apocalyptic number.

12788302 is a deficient number, since it is larger than the sum of its proper divisors (6394154).

12788302 is an equidigital number, since it uses as much as digits as its factorization.

12788302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394153.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 12788302 is about 3576.0735451050. The cubic root of 12788302 is about 233.8501365885.

The spelling of 12788302 in words is "twelve million, seven hundred eighty-eight thousand, three hundred two".