12447950 has 24 divisors (see below), whose sum is σ = 23650272. Its totient is φ = 4872320.

The previous prime is 12447943. The next prime is 12447959. The reversal of 12447950 is 5974421.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12447959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299 + ... + 4998.

It is an arithmetic number, because the mean of its divisors is an integer number (985428).

Almost surely, 2^12447950 is an apocalyptic number.

12447950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12447950 is a deficient number, since it is larger than the sum of its proper divisors (11202322).

12447950 is a wasteful number, since it uses less digits than its factorization.

12447950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356 (or 5351 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12447950 is about 3528.1652455632. The cubic root of 12447950 is about 231.7568672671.

The spelling of 12447950 in words is "twelve million, four hundred forty-seven thousand, nine hundred fifty".