1139696 has 40 divisors (see below), whose sum is σ = 2440320. Its totient is φ = 513216.

The previous prime is 1139687. The next prime is 1139713. The reversal of 1139696 is 6969311.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6911 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (61008).

2^1139696 is an apocalyptic number.

1139696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220160).

1139696 is an abundant number, since it is smaller than the sum of its proper divisors (1300624).

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

1139696 is a wasteful number, since it uses less digits than its factorization.

1139696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its digits is 8748, while the sum is 35.

The square root of 1139696 is about 1067.5654546678. The cubic root of 1139696 is about 104.4551061329.

The spelling of 1139696 in words is "one million, one hundred thirty-nine thousand, six hundred ninety-six".