13927394 has 8 divisors (see below), whose sum is σ = 22498140. Its totient is φ = 6428016.

The previous prime is 13927391. The next prime is 13927409. The reversal of 13927394 is 49372931.

It can be written as a sum of positive squares in 2 ways, for example, as 13140625 + 786769 = 3625^2 + 887^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13927391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267809 + ... + 267860.

Almost surely, 2^13927394 is an apocalyptic number.

13927394 is a deficient number, since it is larger than the sum of its proper divisors (8570746).

13927394 is a wasteful number, since it uses less digits than its factorization.

13927394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535684.

The product of its digits is 40824, while the sum is 38.

The square root of 13927394 is about 3731.9423896947. The cubic root of 13927394 is about 240.5968593391.

The spelling of 13927394 in words is "thirteen million, nine hundred twenty-seven thousand, three hundred ninety-four".