12449900 has 36 divisors (see below), whose sum is σ = 28196112. Its totient is φ = 4762560.

The previous prime is 12449897. The next prime is 12449909. The reversal of 12449900 is 994421.

It is not an unprimeable number, because it can be changed into a prime (12449909) 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, 407 + ... + 5006.

Almost surely, 2^12449900 is an apocalyptic number.

12449900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12449900 is an abundant number, since it is smaller than the sum of its proper divisors (15746212).

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

12449900 is a wasteful number, since it uses less digits than its factorization.

12449900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12449900 is about 3528.4415823420. The cubic root of 12449900 is about 231.7689683840.

The spelling of 12449900 in words is "twelve million, four hundred forty-nine thousand, nine hundred".