12457158 has 64 divisors (see below), whose sum is σ = 30689280. Its totient is φ = 3290112.

The previous prime is 12457157. The next prime is 12457171. The reversal of 12457158 is 85175421.

12457158 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

12457158 is strictly pandigital in base 8.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12457157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52003 + ... + 52241.

It is an arithmetic number, because the mean of its divisors is an integer number (479520).

Almost surely, 2^12457158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12457158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15344640).

12457158 is an abundant number, since it is smaller than the sum of its proper divisors (18232122).

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

12457158 is a wasteful number, since it uses less digits than its factorization.

12457158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 11200, while the sum is 33.

The square root of 12457158 is about 3529.4699318736. The cubic root of 12457158 is about 231.8139982608.

The spelling of 12457158 in words is "twelve million, four hundred fifty-seven thousand, one hundred fifty-eight".