1306629903 has 8 divisors (see below), whose sum is σ = 1742381568. Its totient is φ = 870982424.

The previous prime is 1306629889. The next prime is 1306629917. The reversal of 1306629903 is 3099266031.

It is an interprime number because it is at equal distance from previous prime (1306629889) and next prime (1306629917).

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

It is a cyclic number.

It is not a de Polignac number, because 1306629903 - 2¹³ = 1306621711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306629953) 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 7 ways as a sum of consecutive naturals, for example, 10576 + ... + 52202.

It is an arithmetic number, because the mean of its divisors is an integer number (217797696).

Almost surely, 2^1306629903 is an apocalyptic number.

1306629903 is a deficient number, since it is larger than the sum of its proper divisors (435751665).

1306629903 is a wasteful number, since it uses less digits than its factorization.

1306629903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52093.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 1306629903 is about 36147.3360429230. The cubic root of 1306629903 is about 1093.2450786903.

The spelling of 1306629903 in words is "one billion, three hundred six million, six hundred twenty-nine thousand, nine hundred three".