1209448 has 16 divisors (see below), whose sum is σ = 2401380. Its totient is φ = 569088.

The previous prime is 1209437. The next prime is 1209457. The reversal of 1209448 is 8449021.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 3844 = 1098^2 + 62^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311 + ... + 4582.

2^1209448 is an apocalyptic number.

It is an amenable number.

1209448 is a deficient number, since it is larger than the sum of its proper divisors (1191932).

1209448 is a wasteful number, since it uses less digits than its factorization.

1209448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916 (or 8912 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1209448 is about 1099.7490622865. The cubic root of 1209448 is about 106.5440170126.

The spelling of 1209448 in words is "one million, two hundred nine thousand, four hundred forty-eight".