1316002 has 4 divisors (see below), whose sum is σ = 1974006. Its totient is φ = 658000.

The previous prime is 1315969. The next prime is 1316009. The reversal of 1316002 is 2006131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2006131 = 103 ⋅19477.

It can be written as a sum of positive squares in only one way, i.e., 881721 + 434281 = 939^2 + 659^2 .

It is a super-4 number, since 4×1316002⁴ (a number of 26 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1316009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328999 + ... + 329002.

2^1316002 is an apocalyptic number.

1316002 is a deficient number, since it is larger than the sum of its proper divisors (658004).

1316002 is an equidigital number, since it uses as much as digits as its factorization.

1316002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658003.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1316002 is about 1147.1713036857. The cubic root of 1316002 is about 109.5852702779.

The spelling of 1316002 in words is "one million, three hundred sixteen thousand, two".