13500290 has 8 divisors (see below), whose sum is σ = 24300540. Its totient is φ = 5400112.

The previous prime is 13500281. The next prime is 13500307. The reversal of 13500290 is 9200531.

It can be written as a sum of positive squares in 2 ways, for example, as 12880921 + 619369 = 3589^2 + 787^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675005 + ... + 675024.

Almost surely, 2^13500290 is an apocalyptic number.

13500290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13500290 is a deficient number, since it is larger than the sum of its proper divisors (10800250).

13500290 is a wasteful number, since it uses less digits than its factorization.

13500290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350036.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 13500290 is about 3674.2740779642. The cubic root of 13500290 is about 238.1118627693. Note that the first 3 decimals are identical.

The spelling of 13500290 in words is "thirteen million, five hundred thousand, two hundred ninety".