1307199 has 4 divisors (see below), whose sum is σ = 1742936. Its totient is φ = 871464.

The previous prime is 1307197. The next prime is 1307209. The reversal of 1307199 is 9917031.

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

It is not a de Polignac number, because 1307199 - 2¹ = 1307197 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307197) 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, 217864 + ... + 217869.

It is an arithmetic number, because the mean of its divisors is an integer number (435734).

2^1307199 is an apocalyptic number.

1307199 is a deficient number, since it is larger than the sum of its proper divisors (435737).

1307199 is an equidigital number, since it uses as much as digits as its factorization.

1307199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435736.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1307199 is about 1143.3280369168. The cubic root of 1307199 is about 109.3403775040.

The spelling of 1307199 in words is "one million, three hundred seven thousand, one hundred ninety-nine".