12458942 has 4 divisors (see below), whose sum is σ = 18688416. Its totient is φ = 6229470.

The previous prime is 12458923. The next prime is 12458959. The reversal of 12458942 is 24985421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24985421 = 181 ⋅138041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114734 + ... + 3114737.

It is an arithmetic number, because the mean of its divisors is an integer number (4672104).

Almost surely, 2^12458942 is an apocalyptic number.

12458942 is a deficient number, since it is larger than the sum of its proper divisors (6229474).

12458942 is an equidigital number, since it uses as much as digits as its factorization.

12458942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229473.

The product of its digits is 23040, while the sum is 35.

The square root of 12458942 is about 3529.7226519941. The cubic root of 12458942 is about 231.8250638247.

The spelling of 12458942 in words is "twelve million, four hundred fifty-eight thousand, nine hundred forty-two".