12048891 has 8 divisors (see below), whose sum is σ = 16619280. Its totient is φ = 7755552.

The previous prime is 12048889. The next prime is 12048899. The reversal of 12048891 is 19884021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12048891 - 2¹ = 12048889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12048899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69160 + ... + 69333.

It is an arithmetic number, because the mean of its divisors is an integer number (2077410).

Almost surely, 2^12048891 is an apocalyptic number.

12048891 is a deficient number, since it is larger than the sum of its proper divisors (4570389).

12048891 is a wasteful number, since it uses less digits than its factorization.

12048891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138525.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 12048891 is about 3471.1512499458. The cubic root of 12048891 is about 229.2533506707.

The spelling of 12048891 in words is "twelve million, forty-eight thousand, eight hundred ninety-one".