12258772 has 6 divisors (see below), whose sum is σ = 21452858. Its totient is φ = 6129384.

The previous prime is 12258767. The next prime is 12258791. The reversal of 12258772 is 27785221.

It can be written as a sum of positive squares in only one way, i.e., 12068676 + 190096 = 3474^2 + 436^2 .

It is a plaindrome in base 15.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1532343 + ... + 1532350.

Almost surely, 2^12258772 is an apocalyptic number.

It is an amenable number.

12258772 is a deficient number, since it is larger than the sum of its proper divisors (9194086).

12258772 is a wasteful number, since it uses less digits than its factorization.

12258772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064697 (or 3064695 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 12258772 is about 3501.2529185993. The cubic root of 12258772 is about 230.5768256200.

The spelling of 12258772 in words is "twelve million, two hundred fifty-eight thousand, seven hundred seventy-two".