1223708 has 6 divisors (see below), whose sum is σ = 2141496. Its totient is φ = 611852.

The previous prime is 1223693. The next prime is 1223723. The reversal of 1223708 is 8073221.

It is an interprime number because it is at equal distance from previous prime (1223693) and next prime (1223723).

It is a super-2 number, since 2×1223708² = 2994922538528, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152960 + ... + 152967.

It is an arithmetic number, because the mean of its divisors is an integer number (356916).

2^1223708 is an apocalyptic number.

It is an amenable number.

1223708 is a deficient number, since it is larger than the sum of its proper divisors (917788).

1223708 is a wasteful number, since it uses less digits than its factorization.

1223708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305931 (or 305929 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1223708 is about 1106.2133609752. The cubic root of 1223708 is about 106.9611178491.

Adding to 1223708 its reverse (8073221), we get a palindrome (9296929).

The spelling of 1223708 in words is "one million, two hundred twenty-three thousand, seven hundred eight".