1369966 has 8 divisors (see below), whose sum is σ = 2213064. Its totient is φ = 632280.

The previous prime is 1369961. The next prime is 1369969. The reversal of 1369966 is 6699631.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369961) 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 in 3 ways as a sum of consecutive naturals, for example, 26320 + ... + 26371.

It is an arithmetic number, because the mean of its divisors is an integer number (276633).

2^1369966 is an apocalyptic number.

1369966 is a deficient number, since it is larger than the sum of its proper divisors (843098).

1369966 is a wasteful number, since it uses less digits than its factorization.

1369966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52706.

The product of its digits is 52488, while the sum is 40.

The square root of 1369966 is about 1170.4554669017. The cubic root of 1369966 is about 111.0631353620.

The spelling of 1369966 in words is "one million, three hundred sixty-nine thousand, nine hundred sixty-six".