1313849 has 4 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 1297140.

The previous prime is 1313843. The next prime is 1313857. The reversal of 1313849 is 9483131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313849 - 2¹² = 1309753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313843) 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, 8237 + ... + 8394.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

2^1313849 is an apocalyptic number.

It is an amenable number.

1313849 is a deficient number, since it is larger than the sum of its proper divisors (16711).

1313849 is an equidigital number, since it uses as much as digits as its factorization.

1313849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16710.

The product of its digits is 2592, while the sum is 29.

The square root of 1313849 is about 1146.2325244033. The cubic root of 1313849 is about 109.5254765822.

The spelling of 1313849 in words is "one million, three hundred thirteen thousand, eight hundred forty-nine".