13712031 has 16 divisors (see below), whose sum is σ = 20401920. Its totient is φ = 9101880.

The previous prime is 13712029. The next prime is 13712033. The reversal of 13712031 is 13021731.

13712031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13712029) and next prime (13712033).

It is not a de Polignac number, because 13712031 - 2¹ = 13712029 is a prime.

It is a super-2 number, since 2×13712031² = 376039588289922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13711995 and 13712013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13712033) 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, 6136 + ... + 8066.

It is an arithmetic number, because the mean of its divisors is an integer number (1275120).

Almost surely, 2^13712031 is an apocalyptic number.

13712031 is a deficient number, since it is larger than the sum of its proper divisors (6689889).

13712031 is a wasteful number, since it uses less digits than its factorization.

13712031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2197 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 13712031 is about 3702.9759653554. The cubic root of 13712031 is about 239.3502739039.

Adding to 13712031 its reverse (13021731), we get a palindrome (26733762).

The spelling of 13712031 in words is "thirteen million, seven hundred twelve thousand, thirty-one".