13501445 has 8 divisors (see below), whose sum is σ = 16241280. Its totient is φ = 10774800.

The previous prime is 13501427. The next prime is 13501447. The reversal of 13501445 is 54410531.

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

It is not a de Polignac number, because 13501445 - 2¹⁸ = 13239301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13501445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13501447) 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, 881 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (2030160).

Almost surely, 2^13501445 is an apocalyptic number.

It is an amenable number.

13501445 is a deficient number, since it is larger than the sum of its proper divisors (2739835).

13501445 is an equidigital number, since it uses as much as digits as its factorization.

13501445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

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

The square root of 13501445 is about 3674.4312485064. The cubic root of 13501445 is about 238.1186530274.

Adding to 13501445 its reverse (54410531), we get a palindrome (67911976).

The spelling of 13501445 in words is "thirteen million, five hundred one thousand, four hundred forty-five".