12553232 has 10 divisors (see below), whose sum is σ = 24321918. Its totient is φ = 6276608.

The previous prime is 12553213. The next prime is 12553241. The reversal of 12553232 is 23235521.

It can be written as a sum of positive squares in only one way, i.e., 11262736 + 1290496 = 3356^2 + 1136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12553198 and 12553207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392273 + ... + 392304.

Almost surely, 2^12553232 is an apocalyptic number.

It is an amenable number.

12553232 is a deficient number, since it is larger than the sum of its proper divisors (11768686).

12553232 is an equidigital number, since it uses as much as digits as its factorization.

12553232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784585 (or 784579 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 12553232 is about 3543.0540498276. The cubic root of 12553232 is about 232.4084165443.

Adding to 12553232 its reverse (23235521), we get a palindrome (35788753).

The spelling of 12553232 in words is "twelve million, five hundred fifty-three thousand, two hundred thirty-two".