12553345 has 8 divisors (see below), whose sum is σ = 17216064. Its totient is φ = 8607984.

The previous prime is 12553313. The next prime is 12553379. The reversal of 12553345 is 54335521.

12553345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12553345 - 2⁵ = 12553313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179299 + ... + 179368.

It is an arithmetic number, because the mean of its divisors is an integer number (2152008).

Almost surely, 2^12553345 is an apocalyptic number.

It is an amenable number.

12553345 is a deficient number, since it is larger than the sum of its proper divisors (4662719).

12553345 is an equidigital number, since it uses as much as digits as its factorization.

12553345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358679.

The product of its digits is 9000, while the sum is 28.

The square root of 12553345 is about 3543.0699964861. The cubic root of 12553345 is about 232.4091138965.

Adding to 12553345 its reverse (54335521), we get a palindrome (66888866).

The spelling of 12553345 in words is "twelve million, five hundred fifty-three thousand, three hundred forty-five".