12503007 has 72 divisors (see below), whose sum is σ = 22988160. Its totient is φ = 6462720.

The previous prime is 12502993. The next prime is 12503011. The reversal of 12503007 is 70030521.

It is not a de Polignac number, because 12503007 - 2⁶ = 12502943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503017) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 543598 + ... + 543620.

It is an arithmetic number, because the mean of its divisors is an integer number (319280).

Almost surely, 2^12503007 is an apocalyptic number.

12503007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12503007 is a deficient number, since it is larger than the sum of its proper divisors (10485153).

12503007 is a wasteful number, since it uses less digits than its factorization.

12503007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 12503007 is about 3535.9591343792. The cubic root of 12503007 is about 232.0980498654.

Adding to 12503007 its reverse (70030521), we get a palindrome (82533528).

The spelling of 12503007 in words is "twelve million, five hundred three thousand, seven".