12779503 has 8 divisors (see below), whose sum is σ = 14138496. Its totient is φ = 11453400.

The previous prime is 12779483. The next prime is 12779531. The reversal of 12779503 is 30597721.

12779503 is digitally balanced in base 3, 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 not a de Polignac number, because 12779503 - 2¹⁷ = 12648431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12779573) 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, 7401 + ... + 8962.

It is an arithmetic number, because the mean of its divisors is an integer number (1767312).

Almost surely, 2^12779503 is an apocalyptic number.

12779503 is a deficient number, since it is larger than the sum of its proper divisors (1358993).

12779503 is a wasteful number, since it uses less digits than its factorization.

12779503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16445.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 12779503 is about 3574.8430734789. The cubic root of 12779503 is about 233.7964907004.

The spelling of 12779503 in words is "twelve million, seven hundred seventy-nine thousand, five hundred three".