12432117 has 16 divisors (see below), whose sum is σ = 17962560. Its totient is φ = 7617792.

The previous prime is 12432107. The next prime is 12432163. The reversal of 12432117 is 71123421.

It is not a de Polignac number, because 12432117 - 2⁶ = 12432053 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12432093 and 12432102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (1122660).

Almost surely, 2^12432117 is an apocalyptic number.

12432117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12432117 is a deficient number, since it is larger than the sum of its proper divisors (5530443).

12432117 is a wasteful number, since it uses less digits than its factorization.

12432117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732.

The product of its digits is 336, while the sum is 21.

The square root of 12432117 is about 3525.9207308163. The cubic root of 12432117 is about 231.6585655834.

Adding to 12432117 its reverse (71123421), we get a palindrome (83555538).

The spelling of 12432117 in words is "twelve million, four hundred thirty-two thousand, one hundred seventeen".