12049100 has 54 divisors (see below), whose sum is σ = 30427740. Its totient is φ = 4129440.

The previous prime is 12049099. The next prime is 12049109. The reversal of 12049100 is 194021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12049109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3671 + ... + 6129.

Almost surely, 2^12049100 is an apocalyptic number.

12049100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12049100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15213870).

12049100 is an abundant number, since it is smaller than the sum of its proper divisors (18378640).

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

12049100 is a wasteful number, since it uses less digits than its factorization.

12049100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2473 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 12049100 is about 3471.1813551009. The cubic root of 12049100 is about 229.2546762055.

The spelling of 12049100 in words is "twelve million, forty-nine thousand, one hundred".