12248689 has 4 divisors (see below), whose sum is σ = 12643840. Its totient is φ = 11853540.

The previous prime is 12248683. The next prime is 12248729. The reversal of 12248689 is 98684221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12248689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12248683) 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, 197529 + ... + 197590.

It is an arithmetic number, because the mean of its divisors is an integer number (3160960).

Almost surely, 2^12248689 is an apocalyptic number.

It is an amenable number.

12248689 is a deficient number, since it is larger than the sum of its proper divisors (395151).

12248689 is an equidigital number, since it uses as much as digits as its factorization.

12248689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395150.

The product of its digits is 55296, while the sum is 40.

The square root of 12248689 is about 3499.8127092746. The cubic root of 12248689 is about 230.5135907966.

The spelling of 12248689 in words is "twelve million, two hundred forty-eight thousand, six hundred eighty-nine".