13913499 has 4 divisors (see below), whose sum is σ = 18551336. Its totient is φ = 9275664.

The previous prime is 13913461. The next prime is 13913521. The reversal of 13913499 is 99431931.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13913499 - 2¹⁶ = 13847963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13913899) 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 3 ways as a sum of consecutive naturals, for example, 2318914 + ... + 2318919.

It is an arithmetic number, because the mean of its divisors is an integer number (4637834).

Almost surely, 2^13913499 is an apocalyptic number.

13913499 is a deficient number, since it is larger than the sum of its proper divisors (4637837).

13913499 is an equidigital number, since it uses as much as digits as its factorization.

13913499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637836.

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

The square root of 13913499 is about 3730.0802940419. The cubic root of 13913499 is about 240.5168202988.

The spelling of 13913499 in words is "thirteen million, nine hundred thirteen thousand, four hundred ninety-nine".