1306667427 has 8 divisors (see below), whose sum is σ = 1876240464. Its totient is φ = 804103008.

The previous prime is 1306667393. The next prime is 1306667489. The reversal of 1306667427 is 7247666031.

It is a happy number.

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

It is not a de Polignac number, because 1306667427 - 2¹¹ = 1306665379 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1306667497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16752108 + ... + 16752185.

It is an arithmetic number, because the mean of its divisors is an integer number (234530058).

Almost surely, 2^1306667427 is an apocalyptic number.

1306667427 is a deficient number, since it is larger than the sum of its proper divisors (569573037).

1306667427 is a wasteful number, since it uses less digits than its factorization.

1306667427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33504309.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 1306667427 is about 36147.8550815951. The cubic root of 1306667427 is about 1093.2555439173.

The spelling of 1306667427 in words is "one billion, three hundred six million, six hundred sixty-seven thousand, four hundred twenty-seven".