12452256 has 36 divisors (see below), whose sum is σ = 35411922. Its totient is φ = 4150656.

The previous prime is 12452249. The next prime is 12452263. The reversal of 12452256 is 65225421.

It is an interprime number because it is at equal distance from previous prime (12452249) and next prime (12452263).

It can be written as a sum of positive squares in only one way, i.e., 12362256 + 90000 = 3516^2 + 300^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21331 + ... + 21906.

Almost surely, 2^12452256 is an apocalyptic number.

12452256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12452256 is an abundant number, since it is smaller than the sum of its proper divisors (22959666).

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

12452256 is a wasteful number, since it uses less digits than its factorization.

12452256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43253 (or 43242 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 12452256 is about 3528.7754249881. The cubic root of 12452256 is about 231.7835873301.

Adding to 12452256 its reverse (65225421), we get a palindrome (77677677).

The spelling of 12452256 in words is "twelve million, four hundred fifty-two thousand, two hundred fifty-six".