12256493 has 8 divisors (see below), whose sum is σ = 12824448. Its totient is φ = 11691504.

The previous prime is 12256487. The next prime is 12256549. The reversal of 12256493 is 39465221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12256493 - 2⁴ = 12256477 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 (12256403) 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, 16355 + ... + 17087.

It is an arithmetic number, because the mean of its divisors is an integer number (1603056).

Almost surely, 2^12256493 is an apocalyptic number.

It is an amenable number.

12256493 is a deficient number, since it is larger than the sum of its proper divisors (567955).

12256493 is an equidigital number, since it uses as much as digits as its factorization.

12256493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its digits is 12960, while the sum is 32.

The square root of 12256493 is about 3500.9274485485. The cubic root of 12256493 is about 230.5625360660.

The spelling of 12256493 in words is "twelve million, two hundred fifty-six thousand, four hundred ninety-three".