13287470 has 32 divisors (see below), whose sum is σ = 27675648. Its totient is φ = 4498848.

The previous prime is 13287467. The next prime is 13287497. The reversal of 13287470 is 7478231.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4667 + ... + 6953.

It is an arithmetic number, because the mean of its divisors is an integer number (864864).

Almost surely, 2^13287470 is an apocalyptic number.

13287470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13287470 is an abundant number, since it is smaller than the sum of its proper divisors (14388178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13287470 is a wasteful number, since it uses less digits than its factorization.

13287470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 13287470 is about 3645.1982113460. The cubic root of 13287470 is about 236.8540229914.

The spelling of 13287470 in words is "thirteen million, two hundred eighty-seven thousand, four hundred seventy".