1347201 has 6 divisors (see below), whose sum is σ = 1945970. Its totient is φ = 898128.

The previous prime is 1347191. The next prime is 1347209. The reversal of 1347201 is 1027431.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 641601 = 840^2 + 801^2 .

It is not a de Polignac number, because 1347201 - 2¹¹ = 1345153 is a prime.

It is a Duffinian number.

1347201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1347209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74836 + ... + 74853.

2^1347201 is an apocalyptic number.

It is an amenable number.

1347201 is a deficient number, since it is larger than the sum of its proper divisors (598769).

1347201 is a wasteful number, since it uses less digits than its factorization.

1347201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149695 (or 149692 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1347201 is about 1160.6898810621. The cubic root of 1347201 is about 110.4445098566. Note that the first 3 decimals are identical.

The spelling of 1347201 in words is "one million, three hundred forty-seven thousand, two hundred one".