1299434 has 4 divisors (see below), whose sum is σ = 1949154. Its totient is φ = 649716.

The previous prime is 1299379. The next prime is 1299437. The reversal of 1299434 is 4349921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4349921 = 23 ⋅189127.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 635209 = 815^2 + 797^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1299434.

It is not an unprimeable number, because it can be changed into a prime (1299437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324857 + ... + 324860.

2^1299434 is an apocalyptic number.

1299434 is a deficient number, since it is larger than the sum of its proper divisors (649720).

1299434 is an equidigital number, since it uses as much as digits as its factorization.

1299434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649719.

The product of its digits is 7776, while the sum is 32.

The square root of 1299434 is about 1139.9271906574. The cubic root of 1299434 is about 109.1234468178.

The spelling of 1299434 in words is "one million, two hundred ninety-nine thousand, four hundred thirty-four".