1317146 has 4 divisors (see below), whose sum is σ = 1975722. Its totient is φ = 658572.

The previous prime is 1317131. The next prime is 1317157. The reversal of 1317146 is 6417131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6417131 = 7 ⋅916733.

It can be written as a sum of positive squares in only one way, i.e., 970225 + 346921 = 985^2 + 589^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329285 + ... + 329288.

2^1317146 is an apocalyptic number.

1317146 is a deficient number, since it is larger than the sum of its proper divisors (658576).

1317146 is an equidigital number, since it uses as much as digits as its factorization.

1317146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658575.

The product of its digits is 504, while the sum is 23.

The square root of 1317146 is about 1147.6698131431. The cubic root of 1317146 is about 109.6170152246.

The spelling of 1317146 in words is "one million, three hundred seventeen thousand, one hundred forty-six".