12758412 has 12 divisors (see below), whose sum is σ = 29769656. Its totient is φ = 4252800.

The previous prime is 12758411. The next prime is 12758413. The reversal of 12758412 is 21485721.

It is an interprime number because it is at equal distance from previous prime (12758411) and next prime (12758413).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12758412.

It is not an unprimeable number, because it can be changed into a prime (12758411) 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 3 ways as a sum of consecutive naturals, for example, 531589 + ... + 531612.

Almost surely, 2^12758412 is an apocalyptic number.

12758412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12758412 is an abundant number, since it is smaller than the sum of its proper divisors (17011244).

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

12758412 is a wasteful number, since it uses less digits than its factorization.

12758412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063208 (or 1063206 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 12758412 is about 3571.8919356554. The cubic root of 12758412 is about 233.6678024161.

The spelling of 12758412 in words is "twelve million, seven hundred fifty-eight thousand, four hundred twelve".