1349569 has 4 divisors (see below), whose sum is σ = 1453396. Its totient is φ = 1245744.

The previous prime is 1349533. The next prime is 1349651. The reversal of 1349569 is 9659431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9659431 = 337 ⋅28663.

It can be written as a sum of positive squares in 2 ways, for example, as 150544 + 1199025 = 388^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349569 - 2¹⁵ = 1316801 is a prime.

It is a super-2 number, since 2×1349569² = 3642672971522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 3¹² + 4³ + 9⁴ + 5³ + 6⁷ + 9⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349669) 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, 51894 + ... + 51919.

It is an arithmetic number, because the mean of its divisors is an integer number (363349).

2^1349569 is an apocalyptic number.

It is an amenable number.

1349569 is a deficient number, since it is larger than the sum of its proper divisors (103827).

1349569 is a wasteful number, since it uses less digits than its factorization.

1349569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103826.

The product of its digits is 29160, while the sum is 37.

The square root of 1349569 is about 1161.7095161872. The cubic root of 1349569 is about 110.5091820956.

The spelling of 1349569 in words is "one million, three hundred forty-nine thousand, five hundred sixty-nine".