12738496 has 14 divisors (see below), whose sum is σ = 25278080. Its totient is φ = 6369216.

The previous prime is 12738469. The next prime is 12738499. The reversal of 12738496 is 69483721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99456 + ... + 99583.

Almost surely, 2^12738496 is an apocalyptic number.

12738496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12738496 is a deficient number, since it is larger than the sum of its proper divisors (12539584).

12738496 is an equidigital number, since it uses as much as digits as its factorization.

12738496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199051 (or 199041 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 12738496 is about 3569.1029685343. The cubic root of 12738496 is about 233.5461532234.

The spelling of 12738496 in words is "twelve million, seven hundred thirty-eight thousand, four hundred ninety-six".