12555803 has 8 divisors (see below), whose sum is σ = 13654368. Its totient is φ = 11476224.

The previous prime is 12555797. The next prime is 12555817. The reversal of 12555803 is 30855521.

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 12555803 - 2⁸ = 12555547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12555833) 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, 3350 + ... + 6027.

It is an arithmetic number, because the mean of its divisors is an integer number (1706796).

Almost surely, 2^12555803 is an apocalyptic number.

12555803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12555803 is a deficient number, since it is larger than the sum of its proper divisors (1098565).

12555803 is a wasteful number, since it uses less digits than its factorization.

12555803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9493.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 12555803 is about 3543.4168538291. The cubic root of 12555803 is about 232.4242818144.

The spelling of 12555803 in words is "twelve million, five hundred fifty-five thousand, eight hundred three".