13924745 has 4 divisors (see below), whose sum is σ = 16709700. Its totient is φ = 11139792.

The previous prime is 13924721. The next prime is 13924747. The reversal of 13924745 is 54742931.

13924745 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 an emirpimes, since its reverse is a distinct semiprime: 54742931 = 31 ⋅1765901.

It can be written as a sum of positive squares in 2 ways, for example, as 7639696 + 6285049 = 2764^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 13924745 - 2⁶ = 13924681 is a prime.

It is a super-3 number, since 3×13924745³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13924747) 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, 1392470 + ... + 1392479.

It is an arithmetic number, because the mean of its divisors is an integer number (4177425).

Almost surely, 2^13924745 is an apocalyptic number.

It is an amenable number.

13924745 is a deficient number, since it is larger than the sum of its proper divisors (2784955).

13924745 is an equidigital number, since it uses as much as digits as its factorization.

13924745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784954.

The product of its digits is 30240, while the sum is 35.

The square root of 13924745 is about 3731.5874638014. The cubic root of 13924745 is about 240.5816044754.

The spelling of 13924745 in words is "thirteen million, nine hundred twenty-four thousand, seven hundred forty-five".