13465745 has 4 divisors (see below), whose sum is σ = 16158900. Its totient is φ = 10772592.

The previous prime is 13465729. The next prime is 13465757. The reversal of 13465745 is 54756431.

13465745 is digitally balanced in base 2 and base 3, because in such bases 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: 54756431 = 127 ⋅431153.

It can be written as a sum of positive squares in 2 ways, for example, as 3530641 + 9935104 = 1879^2 + 3152^2 .

It is a cyclic number.

It is not a de Polignac number, because 13465745 - 2⁴ = 13465729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346570 + ... + 1346579.

It is an arithmetic number, because the mean of its divisors is an integer number (4039725).

Almost surely, 2^13465745 is an apocalyptic number.

It is an amenable number.

13465745 is a deficient number, since it is larger than the sum of its proper divisors (2693155).

13465745 is an equidigital number, since it uses as much as digits as its factorization.

13465745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693154.

The product of its digits is 50400, while the sum is 35.

The square root of 13465745 is about 3669.5701383132. The cubic root of 13465745 is about 237.9085930556.

The spelling of 13465745 in words is "thirteen million, four hundred sixty-five thousand, seven hundred forty-five".