12758542 has 8 divisors (see below), whose sum is σ = 19423656. Its totient is φ = 6283992.

The previous prime is 12758539. The next prime is 12758549. The reversal of 12758542 is 24585721.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12758498 and 12758507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12758549) 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, 47473 + ... + 47740.

It is an arithmetic number, because the mean of its divisors is an integer number (2427957).

Almost surely, 2^12758542 is an apocalyptic number.

12758542 is a deficient number, since it is larger than the sum of its proper divisors (6665114).

12758542 is an equidigital number, since it uses as much as digits as its factorization.

12758542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95282.

The product of its digits is 22400, while the sum is 34.

The square root of 12758542 is about 3571.9101332480. The cubic root of 12758542 is about 233.6685960548.

The spelling of 12758542 in words is "twelve million, seven hundred fifty-eight thousand, five hundred forty-two".