12872493 has 8 divisors (see below), whose sum is σ = 19070400. Its totient is φ = 8581644.

The previous prime is 12872473. The next prime is 12872507. The reversal of 12872493 is 39427821.

12872493 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12872493 - 2⁶ = 12872429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238353 + ... + 238406.

It is an arithmetic number, because the mean of its divisors is an integer number (2383800).

Almost surely, 2^12872493 is an apocalyptic number.

It is an amenable number.

12872493 is a deficient number, since it is larger than the sum of its proper divisors (6197907).

12872493 is an equidigital number, since it uses as much as digits as its factorization.

12872493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476768 (or 476762 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 12872493 is about 3587.8256646610. The cubic root of 12872493 is about 234.3621938603.

The spelling of 12872493 in words is "twelve million, eight hundred seventy-two thousand, four hundred ninety-three".