12672100 has 72 divisors (see below), whose sum is σ = 32234048. Its totient is φ = 4233600.

The previous prime is 12672097. The next prime is 12672113. The reversal of 12672100 is 127621.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29890 + ... + 30310.

Almost surely, 2^12672100 is an apocalyptic number.

12672100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12672100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16117024).

12672100 is an abundant number, since it is smaller than the sum of its proper divisors (19561948).

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

12672100 is a wasteful number, since it uses less digits than its factorization.

12672100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12672100 is about 3559.7893196087. The cubic root of 12672100 is about 233.1396805941.

Adding to 12672100 its reverse (127621), we get a palindrome (12799721).

The spelling of 12672100 in words is "twelve million, six hundred seventy-two thousand, one hundred".