12732640232473 has 4 divisors (see below), whose sum is σ = 14551588837120. Its totient is φ = 10913691627828.

The previous prime is 12732640232441. The next prime is 12732640232479. The reversal of 12732640232473 is 37423204623721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12732640232473 - 2⁵ = 12732640232441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12732640232479) 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, 909474302313 + ... + 909474302326.

It is an arithmetic number, because the mean of its divisors is an integer number (3637897209280).

Almost surely, 2^{12732640232473} is an apocalyptic number.

It is an amenable number.

12732640232473 is a deficient number, since it is larger than the sum of its proper divisors (1818948604647).

12732640232473 is an equidigital number, since it uses as much as digits as its factorization.

12732640232473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818948604646.

The product of its (nonzero) digits is 2032128, while the sum is 46.

The spelling of 12732640232473 in words is "twelve trillion, seven hundred thirty-two billion, six hundred forty million, two hundred thirty-two thousand, four hundred seventy-three".