1306899 has 24 divisors (see below), whose sum is σ = 2114112. Its totient is φ = 771120.

The previous prime is 1306891. The next prime is 1306901. The reversal of 1306899 is 9986031.

It is not a de Polignac number, because 1306899 - 2³ = 1306891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1306891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4104 + ... + 4410.

It is an arithmetic number, because the mean of its divisors is an integer number (88088).

2^1306899 is an apocalyptic number.

1306899 is a deficient number, since it is larger than the sum of its proper divisors (807213).

1306899 is a wasteful number, since it uses less digits than its factorization.

1306899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1306899 is about 1143.1968334456. The cubic root of 1306899 is about 109.3320123857.

The spelling of 1306899 in words is "one million, three hundred six thousand, eight hundred ninety-nine".