1239968 has 12 divisors (see below), whose sum is σ = 2441250. Its totient is φ = 619968.

The previous prime is 1239961. The next prime is 1239971. The reversal of 1239968 is 8699321.

1239968 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 183184 = 1028^2 + 428^2 .

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (1239961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19343 + ... + 19406.

2^1239968 is an apocalyptic number.

It is an amenable number.

1239968 is a deficient number, since it is larger than the sum of its proper divisors (1201282).

1239968 is an equidigital number, since it uses as much as digits as its factorization.

1239968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38759 (or 38751 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 1239968 is about 1113.5385040491. The cubic root of 1239968 is about 107.4327829300.

The spelling of 1239968 in words is "one million, two hundred thirty-nine thousand, nine hundred sixty-eight".