12172469 has 2 divisors, whose sum is σ = 12172470. Its totient is φ = 12172468.

The previous prime is 12172423. The next prime is 12172471. The reversal of 12172469 is 96427121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 1030225 = 3338^2 + 1015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12172469 is a prime.

It is a super-2 number, since 2×12172469² = 296338003111922, which contains 22 as substring.

Together with 12172471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12172409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6086234 + 6086235.

It is an arithmetic number, because the mean of its divisors is an integer number (6086235).

Almost surely, 2^12172469 is an apocalyptic number.

It is an amenable number.

12172469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12172469 is an equidigital number, since it uses as much as digits as its factorization.

12172469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 12172469 is about 3488.9065622341. The cubic root of 12172469 is about 230.0344560855.

The spelling of 12172469 in words is "twelve million, one hundred seventy-two thousand, four hundred sixty-nine".