1313199 has 16 divisors (see below), whose sum is σ = 2060640. Its totient is φ = 823680.

The previous prime is 1313171. The next prime is 1313219. The reversal of 1313199 is 9913131.

It is not a de Polignac number, because 1313199 - 2¹² = 1309103 is a prime.

It is a super-2 number, since 2×1313199² = 3448983227202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (128790).

2^1313199 is an apocalyptic number.

1313199 is a deficient number, since it is larger than the sum of its proper divisors (747441).

1313199 is a wasteful number, since it uses less digits than its factorization.

1313199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2881 counting only the distinct ones).

The product of its digits is 729, while the sum is 27.

The square root of 1313199 is about 1145.9489517426. The cubic root of 1313199 is about 109.5074117708.

It can be divided in two parts, 131319 and 9, that added together give a triangular number (131328 = T₅₁₂).

The spelling of 1313199 in words is "one million, three hundred thirteen thousand, one hundred ninety-nine".