12532642 has 4 divisors (see below), whose sum is σ = 18798966. Its totient is φ = 6266320.

The previous prime is 12532607. The next prime is 12532643. The reversal of 12532642 is 24623521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24623521 = 13 ⋅1894117.

It can be written as a sum of positive squares in only one way, i.e., 8415801 + 4116841 = 2901^2 + 2029^2 .

It is not an unprimeable number, because it can be changed into a prime (12532643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133159 + ... + 3133162.

Almost surely, 2^12532642 is an apocalyptic number.

12532642 is a deficient number, since it is larger than the sum of its proper divisors (6266324).

12532642 is an equidigital number, since it uses as much as digits as its factorization.

12532642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266323.

The product of its digits is 2880, while the sum is 25.

The square root of 12532642 is about 3540.1471720820. The cubic root of 12532642 is about 232.2812804149.

The spelling of 12532642 in words is "twelve million, five hundred thirty-two thousand, six hundred forty-two".