13022918 has 12 divisors (see below), whose sum is σ = 20751972. Its totient is φ = 6128160.

The previous prime is 13022909. The next prime is 13022957. The reversal of 13022918 is 81922031.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10688 + ... + 11843.

It is an arithmetic number, because the mean of its divisors is an integer number (1729331).

Almost surely, 2^13022918 is an apocalyptic number.

13022918 is a deficient number, since it is larger than the sum of its proper divisors (7729054).

13022918 is a wasteful number, since it uses less digits than its factorization.

13022918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22567 (or 22550 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13022918 is about 3608.7280307610. The cubic root of 13022918 is about 235.2715617275.

Adding to 13022918 its reverse (81922031), we get a palindrome (94944949).

The spelling of 13022918 in words is "thirteen million, twenty-two thousand, nine hundred eighteen".