1363966 has 4 divisors (see below), whose sum is σ = 2045952. Its totient is φ = 681982.

The previous prime is 1363963. The next prime is 1363979. The reversal of 1363966 is 6693631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340990 + ... + 340993.

It is an arithmetic number, because the mean of its divisors is an integer number (511488).

2^1363966 is an apocalyptic number.

1363966 is a deficient number, since it is larger than the sum of its proper divisors (681986).

1363966 is an equidigital number, since it uses as much as digits as its factorization.

1363966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681985.

The product of its digits is 17496, while the sum is 34.

The square root of 1363966 is about 1167.8895495722. The cubic root of 1363966 is about 110.9007580898.

The spelling of 1363966 in words is "one million, three hundred sixty-three thousand, nine hundred sixty-six".