13087234 has 4 divisors (see below), whose sum is σ = 19630854. Its totient is φ = 6543616.

The previous prime is 13087213. The next prime is 13087259. The reversal of 13087234 is 43278031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12981609 + 105625 = 3603^2 + 325^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271807 + ... + 3271810.

Almost surely, 2^13087234 is an apocalyptic number.

13087234 is a deficient number, since it is larger than the sum of its proper divisors (6543620).

13087234 is an equidigital number, since it uses as much as digits as its factorization.

13087234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543619.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13087234 is about 3617.6282285497. The cubic root of 13087234 is about 235.6582360413.

The spelling of 13087234 in words is "thirteen million, eighty-seven thousand, two hundred thirty-four".