1370669 has 2 divisors, whose sum is σ = 1370670. Its totient is φ = 1370668.

The previous prime is 1370657. The next prime is 1370683. The reversal of 1370669 is 9660731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1295044 + 75625 = 1138^2 + 275^2 .

It is an emirp because it is prime and its reverse (9660731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1370669 - 2²⁰ = 322093 is a prime.

It is a super-2 number, since 2×1370669² = 3757467015122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685334 + 685335.

It is an arithmetic number, because the mean of its divisors is an integer number (685335).

2^1370669 is an apocalyptic number.

It is an amenable number.

1370669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370669 is an equidigital number, since it uses as much as digits as its factorization.

1370669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1370669 is about 1170.7557388286. The cubic root of 1370669 is about 111.0821295153.

The spelling of 1370669 in words is "one million, three hundred seventy thousand, six hundred sixty-nine".