12973628 has 12 divisors (see below), whose sum is σ = 23089080. Its totient is φ = 6376752.

The previous prime is 12973627. The next prime is 12973651. The reversal of 12973628 is 82637921.

It is a junction number, because it is equal to n+sod(n) for n = 12973591 and 12973600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12973627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27251 + ... + 27722.

It is an arithmetic number, because the mean of its divisors is an integer number (1924090).

Almost surely, 2^12973628 is an apocalyptic number.

It is an amenable number.

12973628 is a deficient number, since it is larger than the sum of its proper divisors (10115452).

12973628 is a wasteful number, since it uses less digits than its factorization.

12973628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55036 (or 55034 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 12973628 is about 3601.8922804548. The cubic root of 12973628 is about 234.9743626778.

The spelling of 12973628 in words is "twelve million, nine hundred seventy-three thousand, six hundred twenty-eight".