12673541 has 4 divisors (see below), whose sum is σ = 12684000. Its totient is φ = 12663084.

The previous prime is 12673537. The next prime is 12673567. The reversal of 12673541 is 14537621.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14537621 = 7 ⋅2076803.

It is a cyclic number.

It is not a de Polignac number, because 12673541 - 2² = 12673537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12673501) 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, 3131 + ... + 5928.

It is an arithmetic number, because the mean of its divisors is an integer number (3171000).

Almost surely, 2^12673541 is an apocalyptic number.

It is an amenable number.

12673541 is a deficient number, since it is larger than the sum of its proper divisors (10459).

12673541 is an equidigital number, since it uses as much as digits as its factorization.

12673541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458.

The product of its digits is 5040, while the sum is 29.

The square root of 12673541 is about 3559.9917134735. The cubic root of 12673541 is about 233.1485173706.

The spelling of 12673541 in words is "twelve million, six hundred seventy-three thousand, five hundred forty-one".