13792145 has 4 divisors (see below), whose sum is σ = 16550580. Its totient is φ = 11033712.

The previous prime is 13792133. The next prime is 13792147. The reversal of 13792145 is 54129731.

13792145 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4695889 + 9096256 = 2167^2 + 3016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13792145 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13792147) 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, 1379210 + ... + 1379219.

It is an arithmetic number, because the mean of its divisors is an integer number (4137645).

Almost surely, 2^13792145 is an apocalyptic number.

It is an amenable number.

13792145 is a deficient number, since it is larger than the sum of its proper divisors (2758435).

13792145 is an equidigital number, since it uses as much as digits as its factorization.

13792145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758434.

The product of its digits is 7560, while the sum is 32.

The square root of 13792145 is about 3713.7777262513. Note that the first 4 decimals coincide. The cubic root of 13792145 is about 239.8155121558.

The spelling of 13792145 in words is "thirteen million, seven hundred ninety-two thousand, one hundred forty-five".