12218802 has 16 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 3932432.

The previous prime is 12218783. The next prime is 12218821. The reversal of 12218802 is 20881221.

It is an interprime number because it is at equal distance from previous prime (12218783) and next prime (12218821).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34938 + ... + 35285.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 2^12218802 is an apocalyptic number.

12218802 is an abundant number, since it is smaller than the sum of its proper divisors (13061838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12218802 is a wasteful number, since it uses less digits than its factorization.

12218802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70257.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 12218802 is about 3495.5403015843. The cubic root of 12218802 is about 230.3259524657.

The spelling of 12218802 in words is "twelve million, two hundred eighteen thousand, eight hundred two".