1223652 has 24 divisors (see below), whose sum is σ = 2884896. Its totient is φ = 403648.

The previous prime is 1223633. The next prime is 1223683. The reversal of 1223652 is 2563221.

It is an unprimeable number.

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, 808 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (120204).

2^1223652 is an apocalyptic number.

1223652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223652 is an abundant number, since it is smaller than the sum of its proper divisors (1661244).

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

1223652 is a wasteful number, since it uses less digits than its factorization.

1223652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1065 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 1223652 is about 1106.1880491128. The cubic root of 1223652 is about 106.9594862197.

Adding to 1223652 its reverse (2563221), we get a palindrome (3786873).

It can be divided in two parts, 122 and 3652, that multiplied together give a palindrome (445544).

The spelling of 1223652 in words is "one million, two hundred twenty-three thousand, six hundred fifty-two".