12449169 has 12 divisors (see below), whose sum is σ = 18018000. Its totient is φ = 8282904.

The previous prime is 12449147. The next prime is 12449243. The reversal of 12449169 is 96194421.

It is a happy number.

It is not a de Polignac number, because 12449169 - 2¹¹ = 12447121 is a prime.

It is a super-2 number, since 2×12449169² = 309963617581122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12449119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4882 + ... + 6980.

It is an arithmetic number, because the mean of its divisors is an integer number (1501500).

Almost surely, 2^12449169 is an apocalyptic number.

It is an amenable number.

12449169 is a deficient number, since it is larger than the sum of its proper divisors (5568831).

12449169 is a wasteful number, since it uses less digits than its factorization.

12449169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764 (or 2761 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12449169 is about 3528.3379940136. The cubic root of 12449169 is about 231.7644321647.

The spelling of 12449169 in words is "twelve million, four hundred forty-nine thousand, one hundred sixty-nine".