12503011 has 2 divisors, whose sum is σ = 12503012. Its totient is φ = 12503010.

The previous prime is 12502993. The next prime is 12503017. The reversal of 12503011 is 11030521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12503011 - 2¹¹ = 12500963 is a prime.

It is a super-2 number, since 2×12503011² = 312650568132242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12502982 and 12503000.

It is not a weakly prime, because it can be changed into another prime (12503017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6251505 + 6251506.

It is an arithmetic number, because the mean of its divisors is an integer number (6251506).

Almost surely, 2^12503011 is an apocalyptic number.

12503011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12503011 is an equidigital number, since it uses as much as digits as its factorization.

12503011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12503011 is about 3535.9596999966. The cubic root of 12503011 is about 232.0980746166.

Adding to 12503011 its reverse (11030521), we get a palindrome (23533532).

The spelling of 12503011 in words is "twelve million, five hundred three thousand, eleven".