1320007 has 8 divisors (see below), whose sum is σ = 1446480. Its totient is φ = 1197120.

The previous prime is 1319963. The next prime is 1320019. The reversal of 1320007 is 7000231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320007 - 2¹⁵ = 1287239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (180810).

2^1320007 is an apocalyptic number.

1320007 is a deficient number, since it is larger than the sum of its proper divisors (126473).

1320007 is a wasteful number, since it uses less digits than its factorization.

1320007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 1320007 is about 1148.9155756625. The cubic root of 1320007 is about 109.6963249556.

Adding to 1320007 its reverse (7000231), we get a palindrome (8320238).

The spelling of 1320007 in words is "one million, three hundred twenty thousand, seven".