12432077 has 4 divisors (see below), whose sum is σ = 14208096. Its totient is φ = 10656060.

The previous prime is 12432071. The next prime is 12432089. The reversal of 12432077 is 77023421.

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: 77023421 = 7151 ⋅10771.

It is a cyclic number.

It is not a de Polignac number, because 12432077 - 2⁸ = 12431821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432071) 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, 887999 + ... + 888012.

It is an arithmetic number, because the mean of its divisors is an integer number (3552024).

Almost surely, 2^12432077 is an apocalyptic number.

It is an amenable number.

12432077 is a deficient number, since it is larger than the sum of its proper divisors (1776019).

12432077 is an equidigital number, since it uses as much as digits as its factorization.

12432077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776018.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 12432077 is about 3525.9150585345. The cubic root of 12432077 is about 231.6583171315.

Adding to 12432077 its reverse (77023421), we get a palindrome (89455498).

The spelling of 12432077 in words is "twelve million, four hundred thirty-two thousand, seventy-seven".