12258071 has 16 divisors (see below), whose sum is σ = 14929920. Its totient is φ = 9824640.

The previous prime is 12258049. The next prime is 12258083. The reversal of 12258071 is 17085221.

It is not a de Polignac number, because 12258071 - 2⁶ = 12258007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12258071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12258041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28226 + ... + 28656.

It is an arithmetic number, because the mean of its divisors is an integer number (933120).

Almost surely, 2^12258071 is an apocalyptic number.

12258071 is a deficient number, since it is larger than the sum of its proper divisors (2671849).

12258071 is a wasteful number, since it uses less digits than its factorization.

12258071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12258071 is about 3501.1528101470. The cubic root of 12258071 is about 230.5724304697.

The spelling of 12258071 in words is "twelve million, two hundred fifty-eight thousand, seventy-one".