1229307 has 4 divisors (see below), whose sum is σ = 1639080. Its totient is φ = 819536.

The previous prime is 1229297. The next prime is 1229309. The reversal of 1229307 is 7039221.

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

It is a cyclic number.

It is not a de Polignac number, because 1229307 - 2¹⁴ = 1212923 is a prime.

It is a super-2 number, since 2×1229307² = 3022391400498, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1229309) 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, 204882 + ... + 204887.

It is an arithmetic number, because the mean of its divisors is an integer number (409770).

2^1229307 is an apocalyptic number.

1229307 is a deficient number, since it is larger than the sum of its proper divisors (409773).

1229307 is an equidigital number, since it uses as much as digits as its factorization.

1229307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409772.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1229307 is about 1108.7411780934. The cubic root of 1229307 is about 107.1240009991.

The spelling of 1229307 in words is "one million, two hundred twenty-nine thousand, three hundred seven".