13487073 has 16 divisors (see below), whose sum is σ = 18821376. Its totient is φ = 8581760.

The previous prime is 13487063. The next prime is 13487081. The reversal of 13487073 is 37078431.

13487073 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13487073 - 2⁴ = 13487057 is a prime.

It is a super-2 number, since 2×13487073² = 363802276214658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13487053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4615 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (1176336).

Almost surely, 2^13487073 is an apocalyptic number.

It is an amenable number.

13487073 is a deficient number, since it is larger than the sum of its proper divisors (5334303).

13487073 is a wasteful number, since it uses less digits than its factorization.

13487073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 13487073 is about 3672.4750509704. The cubic root of 13487073 is about 238.0341322890.

The spelling of 13487073 in words is "thirteen million, four hundred eighty-seven thousand, seventy-three".