1223896 has 16 divisors (see below), whose sum is σ = 2334600. Its totient is φ = 601344.

The previous prime is 1223879. The next prime is 1223897. The reversal of 1223896 is 6983221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223897) 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, 825 + ... + 1768.

2^1223896 is an apocalyptic number.

It is an amenable number.

1223896 is a deficient number, since it is larger than the sum of its proper divisors (1110704).

1223896 is a wasteful number, since it uses less digits than its factorization.

1223896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658 (or 2654 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1223896 is about 1106.2983322775. The cubic root of 1223896 is about 106.9665950982.

The spelling of 1223896 in words is "one million, two hundred twenty-three thousand, eight hundred ninety-six".