13022756 has 12 divisors (see below), whose sum is σ = 23003568. Its totient is φ = 6450312.

The previous prime is 13022743. The next prime is 13022773. The reversal of 13022756 is 65722031.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14786 + ... + 15641.

It is an arithmetic number, because the mean of its divisors is an integer number (1916964).

Almost surely, 2^13022756 is an apocalyptic number.

It is an amenable number.

13022756 is a deficient number, since it is larger than the sum of its proper divisors (9980812).

13022756 is a wasteful number, since it uses less digits than its factorization.

13022756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30538 (or 30536 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13022756 is about 3608.7055851094. The cubic root of 13022756 is about 235.2705861614.

Adding to 13022756 its reverse (65722031), we get a palindrome (78744787).

The spelling of 13022756 in words is "thirteen million, twenty-two thousand, seven hundred fifty-six".