13745297 has 4 divisors (see below), whose sum is σ = 13757760. Its totient is φ = 13732836.

The previous prime is 13745287. The next prime is 13745309. The reversal of 13745297 is 79254731.

13745297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13745297 - 2⁶ = 13745233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13745297.

It is not an unprimeable number, because it can be changed into a prime (13745257) 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, 4397 + ... + 6842.

It is an arithmetic number, because the mean of its divisors is an integer number (3439440).

Almost surely, 2^13745297 is an apocalyptic number.

It is an amenable number.

13745297 is a deficient number, since it is larger than the sum of its proper divisors (12463).

13745297 is a wasteful number, since it uses less digits than its factorization.

13745297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12462.

The product of its digits is 52920, while the sum is 38.

The square root of 13745297 is about 3707.4650369221. The cubic root of 13745297 is about 239.5436757413.

The spelling of 13745297 in words is "thirteen million, seven hundred forty-five thousand, two hundred ninety-seven".