12105469 has 4 divisors (see below), whose sum is σ = 12496000. Its totient is φ = 11714940.

The previous prime is 12105463. The next prime is 12105491. The reversal of 12105469 is 96450121.

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: 96450121 = 107 ⋅901403.

It is a cyclic number.

It is not a de Polignac number, because 12105469 - 2⁷ = 12105341 is a prime.

It is a super-2 number, since 2×12105469² = 293084759419922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105463) 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, 195219 + ... + 195280.

It is an arithmetic number, because the mean of its divisors is an integer number (3124000).

Almost surely, 2^12105469 is an apocalyptic number.

It is an amenable number.

12105469 is a deficient number, since it is larger than the sum of its proper divisors (390531).

12105469 is an equidigital number, since it uses as much as digits as its factorization.

12105469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390530.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12105469 is about 3479.2914508561. The cubic root of 12105469 is about 229.6116255996.

The spelling of 12105469 in words is "twelve million, one hundred five thousand, four hundred sixty-nine".