13220754 has 16 divisors (see below), whose sum is σ = 26477280. Its totient is φ = 4400960.

The previous prime is 13220749. The next prime is 13220773. The reversal of 13220754 is 45702231.

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 7 ways as a sum of consecutive naturals, for example, 7357 + ... + 8975.

It is an arithmetic number, because the mean of its divisors is an integer number (1654830).

Almost surely, 2^13220754 is an apocalyptic number.

13220754 is an abundant number, since it is smaller than the sum of its proper divisors (13256526).

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

13220754 is a wasteful number, since it uses less digits than its factorization.

13220754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13220754 is about 3636.0354783748. The cubic root of 13220754 is about 236.4569452917.

Adding to 13220754 its reverse (45702231), we get a palindrome (58922985).

The spelling of 13220754 in words is "thirteen million, two hundred twenty thousand, seven hundred fifty-four".