12432461 has 4 divisors (see below), whose sum is σ = 12721632. Its totient is φ = 12143292.

The previous prime is 12432449. The next prime is 12432493. The reversal of 12432461 is 16423421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16423421 = 7 ⋅2346203.

It is a cyclic number.

It is not a de Polignac number, because 12432461 - 2¹⁴ = 12416077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144521 + ... + 144606.

It is an arithmetic number, because the mean of its divisors is an integer number (3180408).

Almost surely, 2^12432461 is an apocalyptic number.

It is an amenable number.

12432461 is a deficient number, since it is larger than the sum of its proper divisors (289171).

12432461 is an equidigital number, since it uses as much as digits as its factorization.

12432461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289170.

The product of its digits is 1152, while the sum is 23.

The square root of 12432461 is about 3525.9695120633. The cubic root of 12432461 is about 231.6607022486.

Adding to 12432461 its reverse (16423421), we get a palindrome (28855882).

The spelling of 12432461 in words is "twelve million, four hundred thirty-two thousand, four hundred sixty-one".