1216802 has 4 divisors (see below), whose sum is σ = 1825206. Its totient is φ = 608400.

The previous prime is 1216799. The next prime is 1216807. The reversal of 1216802 is 2086121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 609961 + 606841 = 781^2 + 779^2 .

It is not an unprimeable number, because it can be changed into a prime (1216807) by changing a digit.

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, 304199 + ... + 304202.

2^1216802 is an apocalyptic number.

1216802 is a deficient number, since it is larger than the sum of its proper divisors (608404).

1216802 is an equidigital number, since it uses as much as digits as its factorization.

1216802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608403.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1216802 is about 1103.0874851978. The cubic root of 1216802 is about 106.7595263415.

The spelling of 1216802 in words is "one million, two hundred sixteen thousand, eight hundred two".