12879154 has 4 divisors (see below), whose sum is σ = 19318734. Its totient is φ = 6439576.

The previous prime is 12879151. The next prime is 12879179. The reversal of 12879154 is 45197821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45197821 = 251 ⋅180071.

It can be written as a sum of positive squares in only one way, i.e., 6901129 + 5978025 = 2627^2 + 2445^2 .

It is not an unprimeable number, because it can be changed into a prime (12879151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3219787 + ... + 3219790.

Almost surely, 2^12879154 is an apocalyptic number.

12879154 is a deficient number, since it is larger than the sum of its proper divisors (6439580).

12879154 is an equidigital number, since it uses as much as digits as its factorization.

12879154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439579.

The product of its digits is 20160, while the sum is 37.

The square root of 12879154 is about 3588.7538227078. The cubic root of 12879154 is about 234.4026112419.

The spelling of 12879154 in words is "twelve million, eight hundred seventy-nine thousand, one hundred fifty-four".