1239916 has 12 divisors (see below), whose sum is σ = 2190888. Its totient is φ = 613952.

The previous prime is 1239913. The next prime is 1239919. The reversal of 1239916 is 6199321.

It is an interprime number because it is at equal distance from previous prime (1239913) and next prime (1239919).

It is not an unprimeable number, because it can be changed into a prime (1239911) 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, 1021 + ... + 1876.

It is an arithmetic number, because the mean of its divisors is an integer number (182574).

2^1239916 is an apocalyptic number.

It is an amenable number.

1239916 is a deficient number, since it is larger than the sum of its proper divisors (950972).

1239916 is a wasteful number, since it uses less digits than its factorization.

1239916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 3006 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 1239916 is about 1113.5151548138. The cubic root of 1239916 is about 107.4312811217.

The spelling of 1239916 in words is "one million, two hundred thirty-nine thousand, nine hundred sixteen".