12532861 has 8 divisors (see below), whose sum is σ = 14266944. Its totient is φ = 10897920.

The previous prime is 12532853. The next prime is 12532873. The reversal of 12532861 is 16823521.

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

It is not a de Polignac number, because 12532861 - 2³ = 12532853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24516 + ... + 25021.

It is an arithmetic number, because the mean of its divisors is an integer number (1783368).

Almost surely, 2^12532861 is an apocalyptic number.

12532861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12532861 is a deficient number, since it is larger than the sum of its proper divisors (1734083).

12532861 is a wasteful number, since it uses less digits than its factorization.

12532861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49571.

The product of its digits is 2880, while the sum is 28.

The square root of 12532861 is about 3540.1781028643. The cubic root of 12532861 is about 232.2826333965.

It can be divided in two parts, 1253 and 2861, that added together give a palindrome (4114).

The spelling of 12532861 in words is "twelve million, five hundred thirty-two thousand, eight hundred sixty-one".