1216246 has 4 divisors (see below), whose sum is σ = 1824372. Its totient is φ = 608122.

The previous prime is 1216213. The next prime is 1216249. The reversal of 1216246 is 6426121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6426121 = 13 ⋅494317.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304060 + ... + 304063.

It is an arithmetic number, because the mean of its divisors is an integer number (456093).

2^1216246 is an apocalyptic number.

1216246 is a deficient number, since it is larger than the sum of its proper divisors (608126).

1216246 is an equidigital number, since it uses as much as digits as its factorization.

1216246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608125.

The product of its digits is 576, while the sum is 22.

The square root of 1216246 is about 1102.8354364999. The cubic root of 1216246 is about 106.7432631259.

The spelling of 1216246 in words is "one million, two hundred sixteen thousand, two hundred forty-six".