12099057 has 4 divisors (see below), whose sum is σ = 16132080. Its totient is φ = 8066036.

The previous prime is 12099049. The next prime is 12099079. The reversal of 12099057 is 75099021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75099021 = 3 ⋅25033007.

It is a cyclic number.

It is not a de Polignac number, because 12099057 - 2³ = 12099049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12099047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016507 + ... + 2016512.

It is an arithmetic number, because the mean of its divisors is an integer number (4033020).

Almost surely, 2^12099057 is an apocalyptic number.

It is an amenable number.

12099057 is a deficient number, since it is larger than the sum of its proper divisors (4033023).

12099057 is an equidigital number, since it uses as much as digits as its factorization.

12099057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033022.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 12099057 is about 3478.3698768245. The cubic root of 12099057 is about 229.5710783681.

The spelling of 12099057 in words is "twelve million, ninety-nine thousand, fifty-seven".