1313366 has 4 divisors (see below), whose sum is σ = 1970052. Its totient is φ = 656682.

The previous prime is 1313363. The next prime is 1313371. The reversal of 1313366 is 6633131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328340 + ... + 328343.

It is an arithmetic number, because the mean of its divisors is an integer number (492513).

2^1313366 is an apocalyptic number.

1313366 is a deficient number, since it is larger than the sum of its proper divisors (656686).

1313366 is an equidigital number, since it uses as much as digits as its factorization.

1313366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656685.

The product of its digits is 972, while the sum is 23.

The square root of 1313366 is about 1146.0218148011. The cubic root of 1313366 is about 109.5120536066.

Adding to 1313366 its reverse (6633131), we get a palindrome (7946497).

The spelling of 1313366 in words is "one million, three hundred thirteen thousand, three hundred sixty-six".