12249258 has 16 divisors (see below), whose sum is σ = 27998400. Its totient is φ = 3499776.

The previous prime is 12249233. The next prime is 12249269. The reversal of 12249258 is 85294221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145783 + ... + 145866.

It is an arithmetic number, because the mean of its divisors is an integer number (1749900).

Almost surely, 2^12249258 is an apocalyptic number.

12249258 is an abundant number, since it is smaller than the sum of its proper divisors (15749142).

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

12249258 is a wasteful number, since it uses less digits than its factorization.

12249258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291661.

The product of its digits is 11520, while the sum is 33.

The square root of 12249258 is about 3499.8939983948. The cubic root of 12249258 is about 230.5171601637.

The spelling of 12249258 in words is "twelve million, two hundred forty-nine thousand, two hundred fifty-eight".