12790388 has 24 divisors (see below), whose sum is σ = 24235008. Its totient is φ = 5871456.

The previous prime is 12790381. The next prime is 12790399. The reversal of 12790388 is 88309721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790381) 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 7 ways as a sum of consecutive naturals, for example, 11045 + ... + 12147.

It is an arithmetic number, because the mean of its divisors is an integer number (1009792).

Almost surely, 2^12790388 is an apocalyptic number.

It is an amenable number.

12790388 is a deficient number, since it is larger than the sum of its proper divisors (11444620).

12790388 is a wasteful number, since it uses less digits than its factorization.

12790388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12790388 is about 3576.3651938805. The cubic root of 12790388 is about 233.8628509390.

The spelling of 12790388 in words is "twelve million, seven hundred ninety thousand, three hundred eighty-eight".