12858402 has 32 divisors (see below), whose sum is σ = 27288000. Its totient is φ = 4027968.

The previous prime is 12858389. The next prime is 12858407. The reversal of 12858402 is 20485821.

It is a self number, because there is not a number n which added to its sum of digits gives 12858402.

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 15 ways as a sum of consecutive naturals, for example, 16608 + ... + 17364.

It is an arithmetic number, because the mean of its divisors is an integer number (852750).

Almost surely, 2^12858402 is an apocalyptic number.

12858402 is an abundant number, since it is smaller than the sum of its proper divisors (14429598).

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

12858402 is a wasteful number, since it uses less digits than its factorization.

12858402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12858402 is about 3585.8614027873. The cubic root of 12858402 is about 234.2766470174.

The spelling of 12858402 in words is "twelve million, eight hundred fifty-eight thousand, four hundred two".