12553235 has 8 divisors (see below), whose sum is σ = 15107136. Its totient is φ = 10013760.

The previous prime is 12553213. The next prime is 12553241. The reversal of 12553235 is 53235521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12553235 - 2⁸ = 12552979 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 1586 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (1888392).

Almost surely, 2^12553235 is an apocalyptic number.

12553235 is a deficient number, since it is larger than the sum of its proper divisors (2553901).

12553235 is an equidigital number, since it uses as much as digits as its factorization.

12553235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213.

The product of its digits is 4500, while the sum is 26.

The square root of 12553235 is about 3543.0544731912. The cubic root of 12553235 is about 232.4084350581.

Adding to 12553235 its reverse (53235521), we get a palindrome (65788756).

The spelling of 12553235 in words is "twelve million, five hundred fifty-three thousand, two hundred thirty-five".