12053091 has 4 divisors (see below), whose sum is σ = 16070792. Its totient is φ = 8035392.

The previous prime is 12053089. The next prime is 12053117. The reversal of 12053091 is 19035021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19035021 = 3 ⋅6345007.

It is not a de Polignac number, because 12053091 - 2¹ = 12053089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12053071) 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, 2008846 + ... + 2008851.

It is an arithmetic number, because the mean of its divisors is an integer number (4017698).

Almost surely, 2^12053091 is an apocalyptic number.

12053091 is a deficient number, since it is larger than the sum of its proper divisors (4017701).

12053091 is an equidigital number, since it uses as much as digits as its factorization.

12053091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017700.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 12053091 is about 3471.7561838355. The cubic root of 12053091 is about 229.2799852718.

The spelling of 12053091 in words is "twelve million, fifty-three thousand, ninety-one".