1299207 has 16 divisors (see below), whose sum is σ = 2132480. Its totient is φ = 685152.

The previous prime is 1299203. The next prime is 1299209. The reversal of 1299207 is 7029921.

It is not a de Polignac number, because 1299207 - 2² = 1299203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299203) 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 15 ways as a sum of consecutive naturals, for example, 2107 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (133280).

2^1299207 is an apocalyptic number.

1299207 is a deficient number, since it is larger than the sum of its proper divisors (833273).

1299207 is a wasteful number, since it uses less digits than its factorization.

1299207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1299207 is about 1139.8276185459. The cubic root of 1299207 is about 109.1170921370.

The spelling of 1299207 in words is "one million, two hundred ninety-nine thousand, two hundred seven".