1347697 has 4 divisors (see below), whose sum is σ = 1451380. Its totient is φ = 1244016.

The previous prime is 1347679. The next prime is 1347707. The reversal of 1347697 is 7967431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7967431 = 29 ⋅274739.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 776161 = 756^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347697 - 2⁷ = 1347569 is a prime.

It is a super-3 number, since 3×1347697³ = 7343414447135333619, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1347617) 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, 51822 + ... + 51847.

It is an arithmetic number, because the mean of its divisors is an integer number (362845).

2^1347697 is an apocalyptic number.

It is an amenable number.

1347697 is a deficient number, since it is larger than the sum of its proper divisors (103683).

1347697 is a wasteful number, since it uses less digits than its factorization.

1347697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103682.

The product of its digits is 31752, while the sum is 37.

The square root of 1347697 is about 1160.9035274303. The cubic root of 1347697 is about 110.4580623395.

The spelling of 1347697 in words is "one million, three hundred forty-seven thousand, six hundred ninety-seven".