12958782 has 16 divisors (see below), whose sum is σ = 26116992. Its totient is φ = 4286360.

The previous prime is 12958733. The next prime is 12958787. The reversal of 12958782 is 28785921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7458 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (1632312).

Almost surely, 2^12958782 is an apocalyptic number.

12958782 is an abundant number, since it is smaller than the sum of its proper divisors (13158210).

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

12958782 is a wasteful number, since it uses less digits than its factorization.

12958782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16623.

The product of its digits is 80640, while the sum is 42.

The square root of 12958782 is about 3599.8308293585. The cubic root of 12958782 is about 234.8846997384.

The spelling of 12958782 in words is "twelve million, nine hundred fifty-eight thousand, seven hundred eighty-two".