12672478 has 48 divisors (see below), whose sum is σ = 24706080. Its totient is φ = 4840416.

The previous prime is 12672467. The next prime is 12672479. The reversal of 12672478 is 87427621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12672479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436968 + ... + 436996.

It is an arithmetic number, because the mean of its divisors is an integer number (514710).

Almost surely, 2^12672478 is an apocalyptic number.

12672478 is a deficient number, since it is larger than the sum of its proper divisors (12033602).

12672478 is an frugal number, since it uses more digits than its factorization.

12672478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 51 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 12672478 is about 3559.8424122424. The cubic root of 12672478 is about 233.1419987030.

The spelling of 12672478 in words is "twelve million, six hundred seventy-two thousand, four hundred seventy-eight".