12603000 has 64 divisors (see below), whose sum is σ = 39330720. Its totient is φ = 3360000.

The previous prime is 12602987. The next prime is 12603007. The reversal of 12603000 is 30621.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12603007) 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, 900 + ... + 5100.

Almost surely, 2^12603000 is an apocalyptic number.

12603000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12603000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19665360).

12603000 is an abundant number, since it is smaller than the sum of its proper divisors (26727720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12603000 is a wasteful number, since it uses less digits than its factorization.

12603000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12603000 is about 3550.0704218367. The cubic root of 12603000 is about 232.7151436698.

Adding to 12603000 its reverse (30621), we get a palindrome (12633621).

The spelling of 12603000 in words is "twelve million, six hundred three thousand".