12705048 has 24 divisors (see below), whose sum is σ = 34409700. Its totient is φ = 4234992.

The previous prime is 12705041. The next prime is 12705061. The reversal of 12705048 is 84050721.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×12705048² = 322836489364608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12705041) 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 in 5 ways as a sum of consecutive naturals, for example, 88158 + ... + 88301.

Almost surely, 2^12705048 is an apocalyptic number.

12705048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12705048 is an abundant number, since it is smaller than the sum of its proper divisors (21704652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12705048 is a wasteful number, since it uses less digits than its factorization.

12705048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176471 (or 176464 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12705048 is about 3564.4141173551. The cubic root of 12705048 is about 233.3415634285.

Adding to 12705048 its reverse (84050721), we get a palindrome (96755769).

The spelling of 12705048 in words is "twelve million, seven hundred five thousand, forty-eight".