13206394 has 8 divisors (see below), whose sum is σ = 19837908. Its totient is φ = 6593760.

The previous prime is 13206377. The next prime is 13206407. The reversal of 13206394 is 49360231.

13206394 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 10272025 + 2934369 = 3205^2 + 1713^2 .

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, 2817 + ... + 5860.

Almost surely, 2^13206394 is an apocalyptic number.

13206394 is a deficient number, since it is larger than the sum of its proper divisors (6631514).

13206394 is an equidigital number, since it uses as much as digits as its factorization.

13206394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9440.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13206394 is about 3634.0602636720. The cubic root of 13206394 is about 236.3713033823.

The spelling of 13206394 in words is "thirteen million, two hundred six thousand, three hundred ninety-four".