12973473 has 8 divisors (see below), whose sum is σ = 19220000. Its totient is φ = 8648964.

The previous prime is 12973463. The next prime is 12973483. The reversal of 12973473 is 37437921.

It is an interprime number because it is at equal distance from previous prime (12973463) and next prime (12973483).

It is not a de Polignac number, because 12973473 - 2⁸ = 12973217 is a prime.

It is a super-2 number, since 2×12973473² = 336622003363458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12973423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240223 + ... + 240276.

It is an arithmetic number, because the mean of its divisors is an integer number (2402500).

Almost surely, 2^12973473 is an apocalyptic number.

It is an amenable number.

12973473 is a deficient number, since it is larger than the sum of its proper divisors (6246527).

12973473 is an equidigital number, since it uses as much as digits as its factorization.

12973473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480508 (or 480502 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 12973473 is about 3601.8707639225. The cubic root of 12973473 is about 234.9734269033.

The spelling of 12973473 in words is "twelve million, nine hundred seventy-three thousand, four hundred seventy-three".