12249858 has 8 divisors (see below), whose sum is σ = 24499728. Its totient is φ = 4083284.

The previous prime is 12249847. The next prime is 12249907. The reversal of 12249858 is 85894221.

12249858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12249858 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020816 + ... + 1020827.

It is an arithmetic number, because the mean of its divisors is an integer number (3062466).

Almost surely, 2^12249858 is an apocalyptic number.

12249858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12249858 is a wasteful number, since it uses less digits than its factorization.

12249858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041648.

The product of its digits is 46080, while the sum is 39.

The square root of 12249858 is about 3499.9797142269. The cubic root of 12249858 is about 230.5209238757.

The spelling of 12249858 in words is "twelve million, two hundred forty-nine thousand, eight hundred fifty-eight".