1307996 has 6 divisors (see below), whose sum is σ = 2289000. Its totient is φ = 653996.

The previous prime is 1307993. The next prime is 1308011. The reversal of 1307996 is 6997031.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163496 + ... + 163503.

It is an arithmetic number, because the mean of its divisors is an integer number (381500).

2^1307996 is an apocalyptic number.

It is an amenable number.

1307996 is a deficient number, since it is larger than the sum of its proper divisors (981004).

1307996 is a wasteful number, since it uses less digits than its factorization.

1307996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327003 (or 327001 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1307996 is about 1143.6765276948. The cubic root of 1307996 is about 109.3625946202.

Adding to 1307996 its sum of digits (35), we get a palindrome (1308031).

The spelling of 1307996 in words is "one million, three hundred seven thousand, nine hundred ninety-six".