11449147 has 8 divisors (see below), whose sum is σ = 11982240. Its totient is φ = 10939720.

The previous prime is 11449117. The next prime is 11449213. The reversal of 11449147 is 74194411.

It is a de Polignac number, because none of the positive numbers 2^k-11449147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11449117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11697 + ... + 12637.

It is an arithmetic number, because the mean of its divisors is an integer number (1497780).

Almost surely, 2^11449147 is an apocalyptic number.

11449147 is a deficient number, since it is larger than the sum of its proper divisors (533093).

11449147 is an frugal number, since it uses more digits than its factorization.

11449147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 964 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 11449147 is about 3383.6588184981. The cubic root of 11449147 is about 225.3846720106.

The spelling of 11449147 in words is "eleven million, four hundred forty-nine thousand, one hundred forty-seven".