13140999 has 6 divisors (see below), whose sum is σ = 18981456. Its totient is φ = 8760660.

The previous prime is 13140997. The next prime is 13141001. The reversal of 13140999 is 99904131.

It is an interprime number because it is at equal distance from previous prime (13140997) and next prime (13141001).

It is not a de Polignac number, because 13140999 - 2¹ = 13140997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140997) 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, 730047 + ... + 730064.

It is an arithmetic number, because the mean of its divisors is an integer number (3163576).

Almost surely, 2^13140999 is an apocalyptic number.

13140999 is a deficient number, since it is larger than the sum of its proper divisors (5840457).

13140999 is a wasteful number, since it uses less digits than its factorization.

13140999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460117 (or 1460114 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 13140999 is about 3625.0515858398. The cubic root of 13140999 is about 235.9805056674.

The spelling of 13140999 in words is "thirteen million, one hundred forty thousand, nine hundred ninety-nine".