12555473 has 4 divisors (see below), whose sum is σ = 14349120. Its totient is φ = 10761828.

The previous prime is 12555467. The next prime is 12555479. The reversal of 12555473 is 37455521.

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 an interprime number because it is at equal distance from previous prime (12555467) and next prime (12555479).

It is not a de Polignac number, because 12555473 - 2⁴ = 12555457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12555479) 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, 896813 + ... + 896826.

It is an arithmetic number, because the mean of its divisors is an integer number (3587280).

Almost surely, 2^12555473 is an apocalyptic number.

It is an amenable number.

12555473 is a deficient number, since it is larger than the sum of its proper divisors (1793647).

12555473 is an equidigital number, since it uses as much as digits as its factorization.

12555473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793646.

The product of its digits is 21000, while the sum is 32.

The square root of 12555473 is about 3543.3702882990. The cubic root of 12555473 is about 232.4222455532.

The spelling of 12555473 in words is "twelve million, five hundred fifty-five thousand, four hundred seventy-three".