13747394 has 4 divisors (see below), whose sum is σ = 20621094. Its totient is φ = 6873696.

The previous prime is 13747381. The next prime is 13747411. The reversal of 13747394 is 49374731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49374731 = 7 ⋅7053533.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 2289169 = 3385^2 + 1513^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436847 + ... + 3436850.

Almost surely, 2^13747394 is an apocalyptic number.

13747394 is a deficient number, since it is larger than the sum of its proper divisors (6873700).

13747394 is an equidigital number, since it uses as much as digits as its factorization.

13747394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873699.

The product of its digits is 63504, while the sum is 38.

The square root of 13747394 is about 3707.7478339283. The cubic root of 13747394 is about 239.5558568179. Note that the first 3 decimals are identical.

It can be divided in two parts, 13747 and 394, that added together give a palindrome (14141).

The spelling of 13747394 in words is "thirteen million, seven hundred forty-seven thousand, three hundred ninety-four".