12099650 has 12 divisors (see below), whose sum is σ = 22505442. Its totient is φ = 4839840.

The previous prime is 12099643. The next prime is 12099691. The reversal of 12099650 is 5699021.

It can be written as a sum of positive squares in 3 ways, for example, as 4879681 + 7219969 = 2209^2 + 2687^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120947 + ... + 121046.

Almost surely, 2^12099650 is an apocalyptic number.

12099650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12099650 is a deficient number, since it is larger than the sum of its proper divisors (10405792).

12099650 is a wasteful number, since it uses less digits than its factorization.

12099650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242005 (or 242000 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 12099650 is about 3478.4551168586. The cubic root of 12099650 is about 229.5748288925.

The spelling of 12099650 in words is "twelve million, ninety-nine thousand, six hundred fifty".