13087370 has 8 divisors (see below), whose sum is σ = 23557284. Its totient is φ = 5234944.

The previous prime is 13087369. The next prime is 13087379. The reversal of 13087370 is 7378031.

13087370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11785489 + 1301881 = 3433^2 + 1141^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13087379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654359 + ... + 654378.

Almost surely, 2^13087370 is an apocalyptic number.

13087370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13087370 is a deficient number, since it is larger than the sum of its proper divisors (10469914).

13087370 is a wasteful number, since it uses less digits than its factorization.

13087370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308744.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 13087370 is about 3617.6470253467. The cubic root of 13087370 is about 235.6590523434.

The spelling of 13087370 in words is "thirteen million, eighty-seven thousand, three hundred seventy".