1306413722 has 8 divisors (see below), whose sum is σ = 2074892436. Its totient is φ = 614782912.

The previous prime is 1306413701. The next prime is 1306413727. The reversal of 1306413722 is 2273146031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1127683561 + 178730161 = 33581^2 + 13369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1306413727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19211933 + ... + 19212000.

Almost surely, 2^1306413722 is an apocalyptic number.

1306413722 is a deficient number, since it is larger than the sum of its proper divisors (768478714).

1306413722 is a wasteful number, since it uses less digits than its factorization.

1306413722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38423952.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1306413722 is about 36144.3456435443. The cubic root of 1306413722 is about 1093.1847831547.

Adding to 1306413722 its reverse (2273146031), we get a palindrome (3579559753).

The spelling of 1306413722 in words is "one billion, three hundred six million, four hundred thirteen thousand, seven hundred twenty-two".