13256266413 has 8 divisors (see below), whose sum is σ = 19034639008. Its totient is φ = 8157702384.

The previous prime is 13256266393. The next prime is 13256266433. The reversal of 13256266413 is 31466265231.

It is an interprime number because it is at equal distance from previous prime (13256266393) and next prime (13256266433).

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

It is not a de Polignac number, because 13256266413 - 2⁵ = 13256266381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 339904267 = 13256266413 / (1 + 3 + 2 + 5 + 6 + 2 + 6 + 6 + 4 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256266433) 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, 169952095 + ... + 169952172.

It is an arithmetic number, because the mean of its divisors is an integer number (2379329876).

Almost surely, 2^13256266413 is an apocalyptic number.

13256266413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13256266413 is a deficient number, since it is larger than the sum of its proper divisors (5778372595).

13256266413 is a wasteful number, since it uses less digits than its factorization.

13256266413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339904283.

The product of its digits is 155520, while the sum is 39.

The spelling of 13256266413 in words is "thirteen billion, two hundred fifty-six million, two hundred sixty-six thousand, four hundred thirteen".