1344769 has 4 divisors (see below), whose sum is σ = 1370196. Its totient is φ = 1319344.

The previous prime is 1344767. The next prime is 1344779. The reversal of 1344769 is 9674431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9674431 = 13 ⋅744187.

It can be written as a sum of positive squares in 2 ways, for example, as 374544 + 970225 = 612^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344769 - 2¹ = 1344767 is a prime.

It is a super-2 number, since 2×1344769² = 3616807326722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344767) 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, 12634 + ... + 12739.

It is an arithmetic number, because the mean of its divisors is an integer number (342549).

2^1344769 is an apocalyptic number.

It is an amenable number.

1344769 is a deficient number, since it is larger than the sum of its proper divisors (25427).

1344769 is an equidigital number, since it uses as much as digits as its factorization.

1344769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25426.

The product of its digits is 18144, while the sum is 34.

The square root of 1344769 is about 1159.6417550261. The cubic root of 1344769 is about 110.3780107872.

The spelling of 1344769 in words is "one million, three hundred forty-four thousand, seven hundred sixty-nine".