13047822 has 12 divisors (see below), whose sum is σ = 28270320. Its totient is φ = 4349268.

The previous prime is 13047817. The next prime is 13047829. The reversal of 13047822 is 22874031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362422 + ... + 362457.

It is an arithmetic number, because the mean of its divisors is an integer number (2355860).

Almost surely, 2^13047822 is an apocalyptic number.

13047822 is an abundant number, since it is smaller than the sum of its proper divisors (15222498).

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

13047822 is a wasteful number, since it uses less digits than its factorization.

13047822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724887 (or 724884 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 13047822 is about 3612.1769059668. The cubic root of 13047822 is about 235.4214378163.

The spelling of 13047822 in words is "thirteen million, forty-seven thousand, eight hundred twenty-two".