13047894 has 24 divisors (see below), whose sum is σ = 28365480. Its totient is φ = 4334688.

The previous prime is 13047893. The next prime is 13047917. The reversal of 13047894 is 49874031.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047893) 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 11 ways as a sum of consecutive naturals, for example, 5202 + ... + 7290.

It is an arithmetic number, because the mean of its divisors is an integer number (1181895).

Almost surely, 2^13047894 is an apocalyptic number.

13047894 is an abundant number, since it is smaller than the sum of its proper divisors (15317586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13047894 is a wasteful number, since it uses less digits than its factorization.

13047894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444 (or 2441 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13047894 is about 3612.1868722424. The cubic root of 13047894 is about 235.4218708467.

The spelling of 13047894 in words is "thirteen million, forty-seven thousand, eight hundred ninety-four".