1307399 has 4 divisors (see below), whose sum is σ = 1335264. Its totient is φ = 1279536.

The previous prime is 1307393. The next prime is 1307417. The reversal of 1307399 is 9937031.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1307399 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 (1307393) 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, 13862 + ... + 13955.

It is an arithmetic number, because the mean of its divisors is an integer number (333816).

2^1307399 is an apocalyptic number.

1307399 is a deficient number, since it is larger than the sum of its proper divisors (27865).

1307399 is an equidigital number, since it uses as much as digits as its factorization.

1307399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27864.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 1307399 is about 1143.4154975336. The cubic root of 1307399 is about 109.3459535386.

The spelling of 1307399 in words is "one million, three hundred seven thousand, three hundred ninety-nine".