13473994 has 16 divisors (see below), whose sum is σ = 21268296. Its totient is φ = 6393600.

The previous prime is 13473991. The next prime is 13473997. The reversal of 13473994 is 49937431.

It is a happy number.

13473994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13473991) and next prime (13473997).

It can be written as a sum of positive squares in 4 ways, for example, as 10323369 + 3150625 = 3213^2 + 1775^2 .

It is not an unprimeable number, because it can be changed into a prime (13473991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814 + ... + 5254.

Almost surely, 2^13473994 is an apocalyptic number.

13473994 is a deficient number, since it is larger than the sum of its proper divisors (7794302).

13473994 is a wasteful number, since it uses less digits than its factorization.

13473994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521.

The product of its digits is 81648, while the sum is 40.

The square root of 13473994 is about 3670.6939398430. The cubic root of 13473994 is about 237.9571633942.

The spelling of 13473994 in words is "thirteen million, four hundred seventy-three thousand, nine hundred ninety-four".