14040013 has 6 divisors (see below), whose sum is σ = 15203274. Its totient is φ = 12959856.

The previous prime is 14040001. The next prime is 14040023. The reversal of 14040013 is 31004041.

It can be written as a sum of positive squares in 3 ways, for example, as 4 + 14040009 = 2^2 + 3747^2 .

It is not a de Polignac number, because 14040013 - 2¹³ = 14031821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14039975 and 14040002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14040023) 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, 41370 + ... + 41707.

It is an arithmetic number, because the mean of its divisors is an integer number (2533879).

Almost surely, 2^14040013 is an apocalyptic number.

14040013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14040013 is a deficient number, since it is larger than the sum of its proper divisors (1163261).

14040013 is an equidigital number, since it uses as much as digits as its factorization.

14040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83103 (or 83090 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 14040013 is about 3747.0005337603. Note that the first 3 decimals coincide. The cubic root of 14040013 is about 241.2436199732.

Adding to 14040013 its reverse (31004041), we get a palindrome (45044054).

The spelling of 14040013 in words is "fourteen million, forty thousand, thirteen".