12220603 has 8 divisors (see below), whose sum is σ = 13357440. Its totient is φ = 11130240.

The previous prime is 12220601. The next prime is 12220609. The reversal of 12220603 is 30602221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12220603 - 2¹ = 12220601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11068 + ... + 12121.

It is an arithmetic number, because the mean of its divisors is an integer number (1669680).

Almost surely, 2^12220603 is an apocalyptic number.

12220603 is a deficient number, since it is larger than the sum of its proper divisors (1136837).

12220603 is a wasteful number, since it uses less digits than its factorization.

12220603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23237.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12220603 is about 3495.7979060581. The cubic root of 12220603 is about 230.3372682685.

Adding to 12220603 its reverse (30602221), we get a palindrome (42822824).

The spelling of 12220603 in words is "twelve million, two hundred twenty thousand, six hundred three".