12503000 has 32 divisors (see below), whose sum is σ = 29259360. Its totient is φ = 5000800.

The previous prime is 12502993. The next prime is 12503011. The reversal of 12503000 is 30521.

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, 5252 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (914355).

Almost surely, 2^12503000 is an apocalyptic number.

12503000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12503000 is an abundant number, since it is smaller than the sum of its proper divisors (16756360).

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

12503000 is a wasteful number, since it uses less digits than its factorization.

12503000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12524 (or 12510 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 12503000 is about 3535.9581445487. The cubic root of 12503000 is about 232.0980065509.

Adding to 12503000 its reverse (30521), we get a palindrome (12533521).

The spelling of 12503000 in words is "twelve million, five hundred three thousand".