13487001 has 32 divisors (see below), whose sum is σ = 21513600. Its totient is φ = 7418880.

The previous prime is 13486999. The next prime is 13487021. The reversal of 13487001 is 10078431.

13487001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13487001 - 2¹ = 13486999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13487021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15855 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (672300).

Almost surely, 2^13487001 is an apocalyptic number.

13487001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13487001 is a deficient number, since it is larger than the sum of its proper divisors (8026599).

13487001 is a wasteful number, since it uses less digits than its factorization.

13487001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 13487001 is about 3672.4652483039. The cubic root of 13487001 is about 238.0337087109.

The spelling of 13487001 in words is "thirteen million, four hundred eighty-seven thousand, one".