1366465 has 8 divisors (see below), whose sum is σ = 1664640. Its totient is φ = 1076592.

The previous prime is 1366459. The next prime is 1366471. The reversal of 1366465 is 5646631.

It is an interprime number because it is at equal distance from previous prime (1366459) and next prime (1366471).

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 1366465 - 2⁵ = 1366433 is a prime.

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, 1705 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (208080).

2^1366465 is an apocalyptic number.

It is an amenable number.

1366465 is a deficient number, since it is larger than the sum of its proper divisors (298175).

1366465 is an equidigital number, since it uses as much as digits as its factorization.

1366465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151.

The product of its digits is 12960, while the sum is 31.

The square root of 1366465 is about 1168.9589385432. The cubic root of 1366465 is about 110.9684459724.

The spelling of 1366465 in words is "one million, three hundred sixty-six thousand, four hundred sixty-five".