1217696 has 12 divisors (see below), whose sum is σ = 2397402. Its totient is φ = 608832.

The previous prime is 1217687. The next prime is 1217719. The reversal of 1217696 is 6967121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1073296 + 144400 = 1036^2 + 380^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 38053 = 1217696 / (1 + 2 + 1 + 7 + 6 + 9 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18995 + ... + 19058.

2^1217696 is an apocalyptic number.

1217696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1217696 is a deficient number, since it is larger than the sum of its proper divisors (1179706).

1217696 is an equidigital number, since it uses as much as digits as its factorization.

1217696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38063 (or 38055 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 1217696 is about 1103.4926370393. The cubic root of 1217696 is about 106.7856658043.

The spelling of 1217696 in words is "one million, two hundred seventeen thousand, six hundred ninety-six".