12503089 has 4 divisors (see below), whose sum is σ = 12934260. Its totient is φ = 12071920.

The previous prime is 12503059. The next prime is 12503131. The reversal of 12503089 is 98030521.

12503089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98030521 = 3067 ⋅31963.

It can be written as a sum of positive squares in 2 ways, for example, as 10131489 + 2371600 = 3183^2 + 1540^2 .

It is a cyclic number.

It is not a de Polignac number, because 12503089 - 2¹⁵ = 12470321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12503059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215542 + ... + 215599.

It is an arithmetic number, because the mean of its divisors is an integer number (3233565).

Almost surely, 2^12503089 is an apocalyptic number.

It is an amenable number.

12503089 is a deficient number, since it is larger than the sum of its proper divisors (431171).

12503089 is an equidigital number, since it uses as much as digits as its factorization.

12503089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431170.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12503089 is about 3535.9707295169. The cubic root of 12503089 is about 232.0985572633.

The spelling of 12503089 in words is "twelve million, five hundred three thousand, eighty-nine".