12532005 has 12 divisors (see below), whose sum is σ = 21722220. Its totient is φ = 6683712.

The previous prime is 12531977. The next prime is 12532061. The reversal of 12532005 is 50023521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5225796 + 7306209 = 2286^2 + 2703^2 .

It is not a de Polignac number, because 12532005 - 2¹² = 12527909 is a prime.

It is a super-2 number, since 2×12532005² = 314102298640050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139200 + ... + 139289.

It is an arithmetic number, because the mean of its divisors is an integer number (1810185).

Almost surely, 2^12532005 is an apocalyptic number.

12532005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12532005 is a deficient number, since it is larger than the sum of its proper divisors (9190215).

12532005 is a wasteful number, since it uses less digits than its factorization.

12532005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278500 (or 278497 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 12532005 is about 3540.0572029277. The cubic root of 12532005 is about 232.2773449403.

Adding to 12532005 its reverse (50023521), we get a palindrome (62555526).

The spelling of 12532005 in words is "twelve million, five hundred thirty-two thousand, five".