12008872 has 16 divisors (see below), whose sum is σ = 22683060. Its totient is φ = 5960064.

The previous prime is 12008863. The next prime is 12008881. The reversal of 12008872 is 27880021.

It is an interprime number because it is at equal distance from previous prime (12008863) and next prime (12008881).

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 133956 = 3446^2 + 366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12008872.

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, 4383 + ... + 6574.

Almost surely, 2^12008872 is an apocalyptic number.

12008872 is the 2192-nd heptagonal number.

It is an amenable number.

12008872 is a deficient number, since it is larger than the sum of its proper divisors (10674188).

12008872 is a wasteful number, since it uses less digits than its factorization.

12008872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100 (or 11096 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 12008872 is about 3465.3819414316. The cubic root of 12008872 is about 228.9992563047. Note that the first 3 decimals are identical.

Adding to 12008872 its reverse (27880021), we get a palindrome (39888893).

It can be divided in two parts, 12008 and 872, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12008872 in words is "twelve million, eight thousand, eight hundred seventy-two".