12488969 has 4 divisors (see below), whose sum is σ = 12793620. Its totient is φ = 12184320.

The previous prime is 12488941. The next prime is 12489047. The reversal of 12488969 is 96988421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2325625 + 10163344 = 1525^2 + 3188^2 .

It is a cyclic number.

It is not a de Polignac number, because 12488969 - 2²⁰ = 11440393 is a prime.

It is a super-2 number, since 2×12488969² = 311948693365922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12488929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152264 + ... + 152345.

It is an arithmetic number, because the mean of its divisors is an integer number (3198405).

Almost surely, 2^12488969 is an apocalyptic number.

It is an amenable number.

12488969 is a deficient number, since it is larger than the sum of its proper divisors (304651).

12488969 is an equidigital number, since it uses as much as digits as its factorization.

12488969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304650.

The product of its digits is 248832, while the sum is 47.

The square root of 12488969 is about 3533.9735426288. The cubic root of 12488969 is about 232.0111531004.

The spelling of 12488969 in words is "twelve million, four hundred eighty-eight thousand, nine hundred sixty-nine".