12906673920 has 576 divisors, whose sum is σ = 54063636480. Its totient is φ = 2853273600.

The previous prime is 12906673873. The next prime is 12906673933. The reversal of 12906673920 is 2937660921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 63 ways as a sum of consecutive naturals, for example, 7498660 + ... + 7500380.

It is an arithmetic number, because the mean of its divisors is an integer number (93860480).

Almost surely, 2^12906673920 is an apocalyptic number.

12906673920 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 12906673920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27031818240).

12906673920 is an abundant number, since it is smaller than the sum of its proper divisors (41156962560).

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

12906673920 is a wasteful number, since it uses less digits than its factorization.

12906673920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 12906673920 in words is "twelve billion, nine hundred six million, six hundred seventy-three thousand, nine hundred twenty".