12539033 has 8 divisors (see below), whose sum is σ = 13629000. Its totient is φ = 11467008.

The previous prime is 12539029. The next prime is 12539039. The reversal of 12539033 is 33093521.

It can be written as a sum of positive squares in 4 ways, for example, as 64009 + 12475024 = 253^2 + 3532^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12539033 - 2² = 12539029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12538993 and 12539011.

It is not an unprimeable number, because it can be changed into a prime (12539039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3008 + ... + 5841.

It is an arithmetic number, because the mean of its divisors is an integer number (1703625).

Almost surely, 2^12539033 is an apocalyptic number.

12539033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12539033 is a deficient number, since it is larger than the sum of its proper divisors (1089967).

12539033 is a wasteful number, since it uses less digits than its factorization.

12539033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8971.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 12539033 is about 3541.0497031248. The cubic root of 12539033 is about 232.3207575231.

The spelling of 12539033 in words is "twelve million, five hundred thirty-nine thousand, thirty-three".