13047946 has 16 divisors (see below), whose sum is σ = 21499200. Its totient is φ = 5911488.

The previous prime is 13047943. The next prime is 13047949. The reversal of 13047946 is 64974031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13047943) and next prime (13047949).

It is not an unprimeable number, because it can be changed into a prime (13047943) 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, 6591 + ... + 8338.

It is an arithmetic number, because the mean of its divisors is an integer number (1343700).

Almost surely, 2^13047946 is an apocalyptic number.

13047946 is a deficient number, since it is larger than the sum of its proper divisors (8451254).

13047946 is a wasteful number, since it uses less digits than its factorization.

13047946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14973.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13047946 is about 3612.1940700909. The cubic root of 13047946 is about 235.4221835900.

The spelling of 13047946 in words is "thirteen million, forty-seven thousand, nine hundred forty-six".