12434131 has 4 divisors (see below), whose sum is σ = 12835264. Its totient is φ = 12033000.

The previous prime is 12434083. The next prime is 12434137. The reversal of 12434131 is 13143421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13143421 = 19 ⋅691759.

It is a cyclic number.

It is not a de Polignac number, because 12434131 - 2⁷ = 12434003 is a prime.

It is a super-2 number, since 2×12434131² = 309215227450322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12434099 and 12434108.

It is not an unprimeable number, because it can be changed into a prime (12434137) 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, 200520 + ... + 200581.

It is an arithmetic number, because the mean of its divisors is an integer number (3208816).

Almost surely, 2^12434131 is an apocalyptic number.

12434131 is a deficient number, since it is larger than the sum of its proper divisors (401133).

12434131 is an equidigital number, since it uses as much as digits as its factorization.

12434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401132.

The product of its digits is 288, while the sum is 19.

The square root of 12434131 is about 3526.2063184108. The cubic root of 12434131 is about 231.6710744522.

Adding to 12434131 its reverse (13143421), we get a palindrome (25577552).

The spelling of 12434131 in words is "twelve million, four hundred thirty-four thousand, one hundred thirty-one".