12872194 has 8 divisors (see below), whose sum is σ = 19327500. Its totient is φ = 6429696.

The previous prime is 12872183. The next prime is 12872227. The reversal of 12872194 is 49127821.

It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 5625 = 3587^2 + 75^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 5074.

Almost surely, 2^12872194 is an apocalyptic number.

12872194 is a deficient number, since it is larger than the sum of its proper divisors (6455306).

12872194 is a wasteful number, since it uses less digits than its factorization.

12872194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404.

The product of its digits is 8064, while the sum is 34.

The square root of 12872194 is about 3587.7839957277. The cubic root of 12872194 is about 234.3603792717.

It can be divided in two parts, 1287 and 2194, that added together give a square (3481 = 59²).

The spelling of 12872194 in words is "twelve million, eight hundred seventy-two thousand, one hundred ninety-four".