12043154 has 4 divisors (see below), whose sum is σ = 18064734. Its totient is φ = 6021576.

The previous prime is 12043151. The next prime is 12043177. The reversal of 12043154 is 45134021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45134021 = 563 ⋅80167.

It can be written as a sum of positive squares in only one way, i.e., 9778129 + 2265025 = 3127^2 + 1505^2 .

It is not an unprimeable number, because it can be changed into a prime (12043151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010787 + ... + 3010790.

Almost surely, 2^12043154 is an apocalyptic number.

12043154 is a deficient number, since it is larger than the sum of its proper divisors (6021580).

12043154 is an equidigital number, since it uses as much as digits as its factorization.

12043154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021579.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12043154 is about 3470.3247686636. The cubic root of 12043154 is about 229.2169590705.

Adding to 12043154 its reverse (45134021), we get a palindrome (57177175).

The spelling of 12043154 in words is "twelve million, forty-three thousand, one hundred fifty-four".