12039553 has 8 divisors (see below), whose sum is σ = 13187880. Its totient is φ = 10940160.

The previous prime is 12039539. The next prime is 12039569. The reversal of 12039553 is 35593021.

It can be written as a sum of positive squares in 4 ways, for example, as 322624 + 11716929 = 568^2 + 3423^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12039553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12039523) by changing a digit.

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, 11718 + ... + 12703.

It is an arithmetic number, because the mean of its divisors is an integer number (1648485).

Almost surely, 2^12039553 is an apocalyptic number.

It is an amenable number.

12039553 is a deficient number, since it is larger than the sum of its proper divisors (1148327).

12039553 is a wasteful number, since it uses less digits than its factorization.

12039553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24467.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 12039553 is about 3469.8059023525. The cubic root of 12039553 is about 229.1941108877.

The spelling of 12039553 in words is "twelve million, thirty-nine thousand, five hundred fifty-three".