13206264385 has 8 divisors (see below), whose sum is σ = 15848153640. Its totient is φ = 10564587264.

The previous prime is 13206264373. The next prime is 13206264391. The reversal of 13206264385 is 58346260231.

It can be written as a sum of positive squares in 4 ways, for example, as 3441464896 + 9764799489 = 58664^2 + 98817^2 .

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 13206264385 - 2⁵ = 13206264353 is a prime.

It is a super-3 number, since 3×13206264385³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166711 + ... + 232819.

It is an arithmetic number, because the mean of its divisors is an integer number (1981019205).

Almost surely, 2^13206264385 is an apocalyptic number.

It is an amenable number.

13206264385 is a deficient number, since it is larger than the sum of its proper divisors (2641889255).

13206264385 is an equidigital number, since it uses as much as digits as its factorization.

13206264385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106067.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 13206264385 in words is "thirteen billion, two hundred six million, two hundred sixty-four thousand, three hundred eighty-five".