12788535 has 8 divisors (see below), whose sum is σ = 20461680. Its totient is φ = 6820544.

The previous prime is 12788527. The next prime is 12788543. The reversal of 12788535 is 53588721.

12788535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12788527) and next prime (12788543).

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 12788535 - 2³ = 12788527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12788493 and 12788502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426270 + ... + 426299.

It is an arithmetic number, because the mean of its divisors is an integer number (2557710).

Almost surely, 2^12788535 is an apocalyptic number.

12788535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12788535 is a deficient number, since it is larger than the sum of its proper divisors (7673145).

12788535 is an equidigital number, since it uses as much as digits as its factorization.

12788535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852577.

The product of its digits is 67200, while the sum is 39.

The square root of 12788535 is about 3576.1061225864. The cubic root of 12788535 is about 233.8515568122.

The spelling of 12788535 in words is "twelve million, seven hundred eighty-eight thousand, five hundred thirty-five".