13286031 has 16 divisors (see below), whose sum is σ = 19992960. Its totient is φ = 7773920.

The previous prime is 13286029. The next prime is 13286047. The reversal of 13286031 is 13068231.

It is not a de Polignac number, because 13286031 - 2¹ = 13286029 is a prime.

It is a super-2 number, since 2×13286031² = 353037239465922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13285992 and 13286010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13286131) 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, 5985 + ... + 7898.

It is an arithmetic number, because the mean of its divisors is an integer number (1249560).

Almost surely, 2^13286031 is an apocalyptic number.

13286031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13286031 is a deficient number, since it is larger than the sum of its proper divisors (6706929).

13286031 is a wasteful number, since it uses less digits than its factorization.

13286031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13286031 is about 3645.0008230452. Note that the first 3 decimals coincide. The cubic root of 13286031 is about 236.8454724486.

The spelling of 13286031 in words is "thirteen million, two hundred eighty-six thousand, thirty-one".