12073553 has 6 divisors (see below), whose sum is σ = 12825846. Its totient is φ = 11363072.

The previous prime is 12073549. The next prime is 12073571. The reversal of 12073553 is 35537021.

It can be written as a sum of positive squares in 3 ways, for example, as 4194304 + 7879249 = 2048^2 + 2807^2 .

It is not a de Polignac number, because 12073553 - 2² = 12073549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12073513) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 20600 + ... + 21177.

It is an arithmetic number, because the mean of its divisors is an integer number (2137641).

Almost surely, 2^12073553 is an apocalyptic number.

It is an amenable number.

12073553 is a deficient number, since it is larger than the sum of its proper divisors (752293).

12073553 is an equidigital number, since it uses as much as digits as its factorization.

12073553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41811 (or 41794 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 12073553 is about 3474.7018577138. The cubic root of 12073553 is about 229.4096580861.

The spelling of 12073553 in words is "twelve million, seventy-three thousand, five hundred fifty-three".