12532239 has 14 divisors (see below), whose sum is σ = 18790856. Its totient is φ = 8354340.

The previous prime is 12532237. The next prime is 12532271. The reversal of 12532239 is 93223521.

It is not a de Polignac number, because 12532239 - 2¹ = 12532237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532237) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7867 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (1342204).

Almost surely, 2^12532239 is an apocalyptic number.

12532239 is a deficient number, since it is larger than the sum of its proper divisors (6258617).

12532239 is an frugal number, since it uses more digits than its factorization.

12532239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17209 (or 17194 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 12532239 is about 3540.0902530868. The cubic root of 12532239 is about 232.2787906403.

The spelling of 12532239 in words is "twelve million, five hundred thirty-two thousand, two hundred thirty-nine".