12167431 has 2 divisors, whose sum is σ = 12167432. Its totient is φ = 12167430.

The previous prime is 12167423. The next prime is 12167459. The reversal of 12167431 is 13476121.

12167431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12167431 - 2³ = 12167423 is a prime.

It is a super-2 number, since 2×12167431² = 296092754279522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12167396 and 12167405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12167131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6083715 + 6083716.

It is an arithmetic number, because the mean of its divisors is an integer number (6083716).

Almost surely, 2^12167431 is an apocalyptic number.

12167431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12167431 is an equidigital number, since it uses as much as digits as its factorization.

12167431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 12167431 is about 3488.1844848001. The cubic root of 12167431 is about 230.0027157839.

The spelling of 12167431 in words is "twelve million, one hundred sixty-seven thousand, four hundred thirty-one".