13270726545 has 16 divisors (see below), whose sum is σ = 21807032640. Its totient is φ = 6886430784.

The previous prime is 13270726531. The next prime is 13270726549. The reversal of 13270726545 is 54562707231.

It is not a de Polignac number, because 13270726545 - 2³² = 8975759249 is a prime.

It is a super-2 number, since 2×13270726545² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13270726497 and 13270726506.

It is not an unprimeable number, because it can be changed into a prime (13270726549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11955055 + ... + 11956164.

It is an arithmetic number, because the mean of its divisors is an integer number (1362939540).

Almost surely, 2^13270726545 is an apocalyptic number.

13270726545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13270726545 is a deficient number, since it is larger than the sum of its proper divisors (8536306095).

13270726545 is a wasteful number, since it uses less digits than its factorization.

13270726545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23911264.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 13270726545 in words is "thirteen billion, two hundred seventy million, seven hundred twenty-six thousand, five hundred forty-five".