13015445 has 8 divisors (see below), whose sum is σ = 15722880. Its totient is φ = 10342800.

The previous prime is 13015441. The next prime is 13015451. The reversal of 13015445 is 54451031.

13015445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13015445 - 2² = 13015441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13015445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7865 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (1965360).

Almost surely, 2^13015445 is an apocalyptic number.

It is an amenable number.

13015445 is a deficient number, since it is larger than the sum of its proper divisors (2707435).

13015445 is a wasteful number, since it uses less digits than its factorization.

13015445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17395.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 13015445 is about 3607.6924758078. The cubic root of 13015445 is about 235.2265508016.

Adding to 13015445 its reverse (54451031), we get a palindrome (67466476).

The spelling of 13015445 in words is "thirteen million, fifteen thousand, four hundred forty-five".