13831007 has 6 divisors (see below), whose sum is σ = 14216328. Its totient is φ = 13455864.

The previous prime is 13830997. The next prime is 13831009. The reversal of 13831007 is 70013831.

It is a happy number.

It is not a de Polignac number, because 13831007 - 2¹⁶ = 13765471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13831009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3683 + ... + 6420.

It is an arithmetic number, because the mean of its divisors is an integer number (2369388).

Almost surely, 2^13831007 is an apocalyptic number.

13831007 is a deficient number, since it is larger than the sum of its proper divisors (385321).

13831007 is an equidigital number, since it uses as much as digits as its factorization.

13831007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177 (or 10140 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13831007 is about 3719.0061844530. The cubic root of 13831007 is about 240.0405429193.

Adding to 13831007 its reverse (70013831), we get a palindrome (83844838).

The spelling of 13831007 in words is "thirteen million, eight hundred thirty-one thousand, seven".