13999260 has 48 divisors (see below), whose sum is σ = 42763392. Its totient is φ = 3393600.

The previous prime is 13999253. The next prime is 13999267. The reversal of 13999260 is 6299931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13999253) and next prime (13999267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13999267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9946 + ... + 11265.

It is an arithmetic number, because the mean of its divisors is an integer number (890904).

Almost surely, 2^13999260 is an apocalyptic number.

13999260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13999260 is an abundant number, since it is smaller than the sum of its proper divisors (28764132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13999260 is a wasteful number, since it uses less digits than its factorization.

13999260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234 (or 21232 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 13999260 is about 3741.5584988077. The cubic root of 13999260 is about 241.0099799016.

It can be divided in two parts, 139 and 99260, that added together give a palindrome (99399).

The spelling of 13999260 in words is "thirteen million, nine hundred ninety-nine thousand, two hundred sixty".