12790555 has 8 divisors (see below), whose sum is σ = 15372000. Its totient is φ = 10216896.

The previous prime is 12790529. The next prime is 12790559. The reversal of 12790555 is 55509721.

12790555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12790555 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12790555.

It is not an unprimeable number, because it can be changed into a prime (12790559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2671 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (1921500).

Almost surely, 2^12790555 is an apocalyptic number.

12790555 is a deficient number, since it is larger than the sum of its proper divisors (2581445).

12790555 is an equidigital number, since it uses as much as digits as its factorization.

12790555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 12790555 is about 3576.3885415318. The cubic root of 12790555 is about 233.8638687587.

The spelling of 12790555 in words is "twelve million, seven hundred ninety thousand, five hundred fifty-five".