12449161 has 4 divisors (see below), whose sum is σ = 13104400. Its totient is φ = 11793924.

The previous prime is 12449147. The next prime is 12449243. The reversal of 12449161 is 16194421.

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.

It is a cyclic number.

It is not a de Polignac number, because 12449161 - 2¹³ = 12440969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12449111) 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, 327591 + ... + 327628.

It is an arithmetic number, because the mean of its divisors is an integer number (3276100).

Almost surely, 2^12449161 is an apocalyptic number.

It is an amenable number.

12449161 is a deficient number, since it is larger than the sum of its proper divisors (655239).

12449161 is an equidigital number, since it uses as much as digits as its factorization.

12449161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655238.

The product of its digits is 1728, while the sum is 28.

The square root of 12449161 is about 3528.3368603352. The cubic root of 12449161 is about 231.7643825197.

The spelling of 12449161 in words is "twelve million, four hundred forty-nine thousand, one hundred sixty-one".