13261071 has 16 divisors (see below), whose sum is σ = 19160064. Its totient is φ = 8125824.

The previous prime is 13261063. The next prime is 13261099. The reversal of 13261071 is 17016231.

13261071 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13261071 - 2³ = 13261063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13261021) 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, 831 + ... + 5216.

It is an arithmetic number, because the mean of its divisors is an integer number (1197504).

Almost surely, 2^13261071 is an apocalyptic number.

13261071 is a deficient number, since it is larger than the sum of its proper divisors (5898993).

13261071 is a wasteful number, since it uses less digits than its factorization.

13261071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 13261071 is about 3641.5753459183. The cubic root of 13261071 is about 236.6970617137.

The spelling of 13261071 in words is "thirteen million, two hundred sixty-one thousand, seventy-one".