12723258 has 16 divisors (see below), whose sum is σ = 25864416. Its totient is φ = 4171440.

The previous prime is 12723253. The next prime is 12723287. The reversal of 12723258 is 85232721.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12723251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17016 + ... + 17747.

It is an arithmetic number, because the mean of its divisors is an integer number (1616526).

Almost surely, 2^12723258 is an apocalyptic number.

12723258 is an abundant number, since it is smaller than the sum of its proper divisors (13141158).

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

12723258 is a wasteful number, since it uses less digits than its factorization.

12723258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34829.

The product of its digits is 6720, while the sum is 30.

The square root of 12723258 is about 3566.9676197016. The cubic root of 12723258 is about 233.4529921404.

Adding to 12723258 its reverse (85232721), we get a palindrome (97955979).

The spelling of 12723258 in words is "twelve million, seven hundred twenty-three thousand, two hundred fifty-eight".