12858408 has 48 divisors (see below), whose sum is σ = 35006400. Its totient is φ = 4263840.

The previous prime is 12858407. The next prime is 12858413. The reversal of 12858408 is 80485821.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12858407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19183 + ... + 19841.

It is an arithmetic number, because the mean of its divisors is an integer number (729300).

Almost surely, 2^12858408 is an apocalyptic number.

12858408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12858408 is an abundant number, since it is smaller than the sum of its proper divisors (22147992).

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

12858408 is a wasteful number, since it uses less digits than its factorization.

12858408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 12858408 is about 3585.8622394063. The cubic root of 12858408 is about 234.2766834569.

The spelling of 12858408 in words is "twelve million, eight hundred fifty-eight thousand, four hundred eight".