1223546 has 8 divisors (see below), whose sum is σ = 1845504. Its totient is φ = 608380.

The previous prime is 1223533. The next prime is 1223549. The reversal of 1223546 is 6453221.

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

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1223549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (230688).

2^1223546 is an apocalyptic number.

1223546 is a deficient number, since it is larger than the sum of its proper divisors (621958).

1223546 is a wasteful number, since it uses less digits than its factorization.

1223546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its digits is 1440, while the sum is 23.

The square root of 1223546 is about 1106.1401357875. The cubic root of 1223546 is about 106.9563976420.

Adding to 1223546 its reverse (6453221), we get a palindrome (7676767).

The spelling of 1223546 in words is "one million, two hundred twenty-three thousand, five hundred forty-six".