13745499 has 4 divisors (see below), whose sum is σ = 18327336. Its totient is φ = 9163664.

The previous prime is 13745491. The next prime is 13745521. The reversal of 13745499 is 99454731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99454731 = 3 ⋅33151577.

It is a cyclic number.

It is not a de Polignac number, because 13745499 - 2³ = 13745491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13745499.

It is not an unprimeable number, because it can be changed into a prime (13745491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290914 + ... + 2290919.

It is an arithmetic number, because the mean of its divisors is an integer number (4581834).

Almost surely, 2^13745499 is an apocalyptic number.

13745499 is a deficient number, since it is larger than the sum of its proper divisors (4581837).

13745499 is an equidigital number, since it uses as much as digits as its factorization.

13745499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581836.

The product of its digits is 136080, while the sum is 42.

The square root of 13745499 is about 3707.4922791558. The cubic root of 13745499 is about 239.5448491751.

The spelling of 13745499 in words is "thirteen million, seven hundred forty-five thousand, four hundred ninety-nine".