12943458 has 24 divisors (see below), whose sum is σ = 30594096. Its totient is φ = 3922200.

The previous prime is 12943433. The next prime is 12943487. The reversal of 12943458 is 85434921.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32488 + ... + 32883.

It is an arithmetic number, because the mean of its divisors is an integer number (1274754).

Almost surely, 2^12943458 is an apocalyptic number.

12943458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12943458 is an abundant number, since it is smaller than the sum of its proper divisors (17650638).

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

12943458 is a wasteful number, since it uses less digits than its factorization.

12943458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65390 (or 65387 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12943458 is about 3597.7017664059. The cubic root of 12943458 is about 234.7920780489.

The spelling of 12943458 in words is "twelve million, nine hundred forty-three thousand, four hundred fifty-eight".