12289296 has 40 divisors (see below), whose sum is σ = 31872960. Its totient is φ = 4080256.

The previous prime is 12289289. The next prime is 12289297. The reversal of 12289296 is 69298221.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12289297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23890 + ... + 24398.

It is an arithmetic number, because the mean of its divisors is an integer number (796824).

Almost surely, 2^12289296 is an apocalyptic number.

12289296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12289296 is an abundant number, since it is smaller than the sum of its proper divisors (19583664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12289296 is a wasteful number, since it uses less digits than its factorization.

12289296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1017 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 12289296 is about 3505.6092195223. The cubic root of 12289296 is about 230.7680436178.

The spelling of 12289296 in words is "twelve million, two hundred eighty-nine thousand, two hundred ninety-six".