12672156 has 48 divisors (see below), whose sum is σ = 33981696. Its totient is φ = 3600384.

The previous prime is 12672139. The next prime is 12672161. The reversal of 12672156 is 65127621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21295 + ... + 21881.

It is an arithmetic number, because the mean of its divisors is an integer number (707952).

Almost surely, 2^12672156 is an apocalyptic number.

It is an amenable number.

12672156 is an abundant number, since it is smaller than the sum of its proper divisors (21309540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12672156 is a wasteful number, since it uses less digits than its factorization.

12672156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 856 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 12672156 is about 3559.7971852340. The cubic root of 12672156 is about 233.1400240205.

Adding to 12672156 its reverse (65127621), we get a palindrome (77799777).

The spelling of 12672156 in words is "twelve million, six hundred seventy-two thousand, one hundred fifty-six".