12789672 has 32 divisors (see below), whose sum is σ = 36542400. Its totient is φ = 3654144.

The previous prime is 12789659. The next prime is 12789677. The reversal of 12789672 is 27698721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12789677) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 37897 + ... + 38232.

It is an arithmetic number, because the mean of its divisors is an integer number (1141950).

Almost surely, 2^12789672 is an apocalyptic number.

12789672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12789672 is an abundant number, since it is smaller than the sum of its proper divisors (23752728).

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

12789672 is a wasteful number, since it uses less digits than its factorization.

12789672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76145 (or 76141 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 12789672 is about 3576.2650908455. The cubic root of 12789672 is about 233.8584870129.

The spelling of 12789672 in words is "twelve million, seven hundred eighty-nine thousand, six hundred seventy-two".