12006154 has 4 divisors (see below), whose sum is σ = 18009234. Its totient is φ = 6003076.

The previous prime is 12006133. The next prime is 12006179. The reversal of 12006154 is 45160021.

12006154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45160021 = 461 ⋅97961.

It can be written as a sum of positive squares in only one way, i.e., 6365529 + 5640625 = 2523^2 + 2375^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3001537 + ... + 3001540.

Almost surely, 2^12006154 is an apocalyptic number.

12006154 is a deficient number, since it is larger than the sum of its proper divisors (6003080).

12006154 is an equidigital number, since it uses as much as digits as its factorization.

12006154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6003079.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12006154 is about 3464.9897546746. The cubic root of 12006154 is about 228.9819783305.

Adding to 12006154 its reverse (45160021), we get a palindrome (57166175).

The spelling of 12006154 in words is "twelve million, six thousand, one hundred fifty-four".