13051071 has 16 divisors (see below), whose sum is σ = 21093120. Its totient is φ = 7909560.

The previous prime is 13051063. The next prime is 13051109. The reversal of 13051071 is 17015031.

It is a happy number.

It is not a de Polignac number, because 13051071 - 2³ = 13051063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13051001) 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, 21675 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (1318320).

Almost surely, 2^13051071 is an apocalyptic number.

13051071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13051071 is a deficient number, since it is larger than the sum of its proper divisors (8042049).

13051071 is a wasteful number, since it uses less digits than its factorization.

13051071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43963 (or 43957 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 13051071 is about 3612.6266067780. The cubic root of 13051071 is about 235.4409767292.

The spelling of 13051071 in words is "thirteen million, fifty-one thousand, seventy-one".