12864154 has 4 divisors (see below), whose sum is σ = 19296234. Its totient is φ = 6432076.

The previous prime is 12864127. The next prime is 12864167. The reversal of 12864154 is 45146821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11594025 + 1270129 = 3405^2 + 1127^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216037 + ... + 3216040.

Almost surely, 2^12864154 is an apocalyptic number.

12864154 is a deficient number, since it is larger than the sum of its proper divisors (6432080).

12864154 is an equidigital number, since it uses as much as digits as its factorization.

12864154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432079.

The product of its digits is 7680, while the sum is 31.

The square root of 12864154 is about 3586.6633519192. The cubic root of 12864154 is about 234.3115751105.

The spelling of 12864154 in words is "twelve million, eight hundred sixty-four thousand, one hundred fifty-four".