13500394 has 8 divisors (see below), whose sum is σ = 20280420. Its totient is φ = 6740256.

The previous prime is 13500373. The next prime is 13500419. The reversal of 13500394 is 49300531.

It can be written as a sum of positive squares in 2 ways, for example, as 13286025 + 214369 = 3645^2 + 463^2 .

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, 3139 + ... + 6070.

Almost surely, 2^13500394 is an apocalyptic number.

13500394 is a deficient number, since it is larger than the sum of its proper divisors (6780026).

13500394 is an equidigital number, since it uses as much as digits as its factorization.

13500394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9944.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13500394 is about 3674.2882303924. The cubic root of 13500394 is about 238.1124742024.

The spelling of 13500394 in words is "thirteen million, five hundred thousand, three hundred ninety-four".