1306913253 has 8 divisors (see below), whose sum is σ = 1785052416. Its totient is φ = 850024800.

The previous prime is 1306913239. The next prime is 1306913261. The reversal of 1306913253 is 3523196031.

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

It is not a de Polignac number, because 1306913253 - 2²⁴ = 1290136037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306913263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5312533 + ... + 5312778.

It is an arithmetic number, because the mean of its divisors is an integer number (223131552).

Almost surely, 2^1306913253 is an apocalyptic number.

It is an amenable number.

1306913253 is a deficient number, since it is larger than the sum of its proper divisors (478139163).

1306913253 is a wasteful number, since it uses less digits than its factorization.

1306913253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625355.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 1306913253 is about 36151.2552064240. The cubic root of 1306913253 is about 1093.3240984145.

The spelling of 1306913253 in words is "one billion, three hundred six million, nine hundred thirteen thousand, two hundred fifty-three".