1223413 has 4 divisors (see below), whose sum is σ = 1235628. Its totient is φ = 1211200.

The previous prime is 1223381. The next prime is 1223419. The reversal of 1223413 is 3143221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3143221 = 101 ⋅31121.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 380689 = 918^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223413 - 2⁵ = 1223381 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5956 + ... + 6157.

It is an arithmetic number, because the mean of its divisors is an integer number (308907).

2^1223413 is an apocalyptic number.

It is an amenable number.

1223413 is a deficient number, since it is larger than the sum of its proper divisors (12215).

1223413 is a wasteful number, since it uses less digits than its factorization.

1223413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12214.

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

The square root of 1223413 is about 1106.0800151888. The cubic root of 1223413 is about 106.9525220987.

Adding to 1223413 its reverse (3143221), we get a palindrome (4366634).

The spelling of 1223413 in words is "one million, two hundred twenty-three thousand, four hundred thirteen".