12857603 has 16 divisors (see below), whose sum is σ = 14452992. Its totient is φ = 11340000.

The previous prime is 12857573. The next prime is 12857609. The reversal of 12857603 is 30675821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12857603 - 2⁸ = 12857347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12857603.

It is not an unprimeable number, because it can be changed into a prime (12857609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78800 + ... + 78962.

It is an arithmetic number, because the mean of its divisors is an integer number (903312).

Almost surely, 2^12857603 is an apocalyptic number.

12857603 is a deficient number, since it is larger than the sum of its proper divisors (1595389).

12857603 is a wasteful number, since it uses less digits than its factorization.

12857603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12857603 is about 3585.7499912849. The cubic root of 12857603 is about 234.2717943948.

It can be divided in two parts, 1285 and 7603, that added together give a palindrome (8888).

The spelling of 12857603 in words is "twelve million, eight hundred fifty-seven thousand, six hundred three".