12958642 has 8 divisors (see below), whose sum is σ = 19767600. Its totient is φ = 6369444.

The previous prime is 12958633. The next prime is 12958691. The reversal of 12958642 is 24685921.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54792 + ... + 55027.

It is an arithmetic number, because the mean of its divisors is an integer number (2470950).

Almost surely, 2^12958642 is an apocalyptic number.

12958642 is a deficient number, since it is larger than the sum of its proper divisors (6808958).

12958642 is a wasteful number, since it uses less digits than its factorization.

12958642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109880.

The product of its digits is 34560, while the sum is 37.

The square root of 12958642 is about 3599.8113839478. The cubic root of 12958642 is about 234.8838538776.

The spelling of 12958642 in words is "twelve million, nine hundred fifty-eight thousand, six hundred forty-two".