1366007 has 4 divisors (see below), whose sum is σ = 1373736. Its totient is φ = 1358280.

The previous prime is 1365983. The next prime is 1366009. The reversal of 1366007 is 7006631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7006631 = 523 ⋅13397.

It is a cyclic number.

It is not a de Polignac number, because 1366007 - 2¹² = 1361911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366009) 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, 3593 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (343434).

2^1366007 is an apocalyptic number.

1366007 is a deficient number, since it is larger than the sum of its proper divisors (7729).

1366007 is an equidigital number, since it uses as much as digits as its factorization.

1366007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1366007 is about 1168.7630213178. The cubic root of 1366007 is about 110.9560467702.

The spelling of 1366007 in words is "one million, three hundred sixty-six thousand, seven".