12532318 has 4 divisors (see below), whose sum is σ = 18798480. Its totient is φ = 6266158.

The previous prime is 12532313. The next prime is 12532337. The reversal of 12532318 is 81323521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81323521 = 37 ⋅2197933.

It is a junction number, because it is equal to n+sod(n) for n = 12532292 and 12532301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133078 + ... + 3133081.

It is an arithmetic number, because the mean of its divisors is an integer number (4699620).

Almost surely, 2^12532318 is an apocalyptic number.

12532318 is a deficient number, since it is larger than the sum of its proper divisors (6266162).

12532318 is an equidigital number, since it uses as much as digits as its factorization.

12532318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266161.

The product of its digits is 1440, while the sum is 25.

The square root of 12532318 is about 3540.1014109768. The cubic root of 12532318 is about 232.2792787145.

Adding to 12532318 its reverse (81323521), we get a palindrome (93855839).

The spelling of 12532318 in words is "twelve million, five hundred thirty-two thousand, three hundred eighteen".