1223416 has 32 divisors (see below), whose sum is σ = 2455200. Its totient is φ = 570240.

The previous prime is 1223381. The next prime is 1223419. The reversal of 1223416 is 6143221.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1223393 and 1223402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11170 + ... + 11278.

It is an arithmetic number, because the mean of its divisors is an integer number (76725).

2^1223416 is an apocalyptic number.

It is an amenable number.

1223416 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1223416 is a wasteful number, since it uses less digits than its factorization.

1223416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 195 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 1223416 is about 1106.0813713285. The cubic root of 1223416 is about 106.9526095201.

Adding to 1223416 its reverse (6143221), we get a palindrome (7366637).

The spelling of 1223416 in words is "one million, two hundred twenty-three thousand, four hundred sixteen".