1223694 has 64 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 362880.

The previous prime is 1223693. The next prime is 1223723. The reversal of 1223694 is 4963221.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2592) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28437 + ... + 28479.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2^1223694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520640).

1223694 is an abundant number, since it is smaller than the sum of its proper divisors (1817586).

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

1223694 is a wasteful number, since it uses less digits than its factorization.

1223694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 96 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1223694 is about 1106.2070330639. The cubic root of 1223694 is about 106.9607099464.

The spelling of 1223694 in words is "one million, two hundred twenty-three thousand, six hundred ninety-four".