12099953 has 4 divisors (see below), whose sum is σ = 12328308. Its totient is φ = 11871600.

The previous prime is 12099949. The next prime is 12099959. The reversal of 12099953 is 35999021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35999021 = 167 ⋅215563.

It can be written as a sum of positive squares in 2 ways, for example, as 7656289 + 4443664 = 2767^2 + 2108^2 .

It is a cyclic number.

It is not a de Polignac number, because 12099953 - 2² = 12099949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12099959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114098 + ... + 114203.

It is an arithmetic number, because the mean of its divisors is an integer number (3082077).

Almost surely, 2^12099953 is an apocalyptic number.

It is an amenable number.

12099953 is a deficient number, since it is larger than the sum of its proper divisors (228355).

12099953 is an equidigital number, since it uses as much as digits as its factorization.

12099953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228354.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 12099953 is about 3478.4986704037. The cubic root of 12099953 is about 229.5767452177.

The spelling of 12099953 in words is "twelve million, ninety-nine thousand, nine hundred fifty-three".