12457022 has 8 divisors (see below), whose sum is σ = 19784736. Its totient is φ = 5862112.

The previous prime is 12457019. The next prime is 12457043. The reversal of 12457022 is 22075421.

It is a happy number.

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

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183158 + ... + 183225.

It is an arithmetic number, because the mean of its divisors is an integer number (2473092).

Almost surely, 2^12457022 is an apocalyptic number.

12457022 is a deficient number, since it is larger than the sum of its proper divisors (7327714).

12457022 is a wasteful number, since it uses less digits than its factorization.

12457022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366402.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12457022 is about 3529.4506654719. The cubic root of 12457022 is about 231.8131546543.

The spelling of 12457022 in words is "twelve million, four hundred fifty-seven thousand, twenty-two".