13022772 has 48 divisors (see below), whose sum is σ = 34930560. Its totient is φ = 3699072.

The previous prime is 13022743. The next prime is 13022773. The reversal of 13022772 is 27722031.

13022772 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18898 + ... + 19574.

It is an arithmetic number, because the mean of its divisors is an integer number (727720).

Almost surely, 2^13022772 is an apocalyptic number.

13022772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13022772 is an abundant number, since it is smaller than the sum of its proper divisors (21907788).

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

13022772 is a wasteful number, since it uses less digits than its factorization.

13022772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13022772 is about 3608.7078019701. The cubic root of 13022772 is about 235.2706825140.

The spelling of 13022772 in words is "thirteen million, twenty-two thousand, seven hundred seventy-two".