1313399 has 8 divisors (see below), whose sum is σ = 1354320. Its totient is φ = 1273216.

The previous prime is 1313383. The next prime is 1313423. The reversal of 1313399 is 9933131.

1313399 = T₂ + T₃ + ... + T₁₉₈.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313399 - 2⁴ = 1313383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (169290).

2^1313399 is an apocalyptic number.

1313399 is a deficient number, since it is larger than the sum of its proper divisors (40921).

1313399 is a wasteful number, since it uses less digits than its factorization.

1313399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its digits is 2187, while the sum is 29.

The square root of 1313399 is about 1146.0362123424. The cubic root of 1313399 is about 109.5129708091.

The spelling of 1313399 in words is "one million, three hundred thirteen thousand, three hundred ninety-nine".