1217488 has 20 divisors (see below), whose sum is σ = 2410560. Its totient is φ = 595424.

The previous prime is 1217483. The next prime is 1217509. The reversal of 1217488 is 8847121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217483) 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, 58 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (120528).

2^1217488 is an apocalyptic number.

It is an amenable number.

1217488 is a deficient number, since it is larger than the sum of its proper divisors (1193072).

1217488 is a wasteful number, since it uses less digits than its factorization.

1217488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1668 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 1217488 is about 1103.3983868032. The cubic root of 1217488 is about 106.7795852819.

The spelling of 1217488 in words is "one million, two hundred seventeen thousand, four hundred eighty-eight".