13047806 has 8 divisors (see below), whose sum is σ = 20723040. Its totient is φ = 6140128.

The previous prime is 13047787. The next prime is 13047809. The reversal of 13047806 is 60874031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191846 + ... + 191913.

It is an arithmetic number, because the mean of its divisors is an integer number (2590380).

Almost surely, 2^13047806 is an apocalyptic number.

13047806 is a deficient number, since it is larger than the sum of its proper divisors (7675234).

13047806 is a wasteful number, since it uses less digits than its factorization.

13047806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383778.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13047806 is about 3612.1746912352. The cubic root of 13047806 is about 235.4213415871.

The spelling of 13047806 in words is "thirteen million, forty-seven thousand, eight hundred six".