12722070 has 32 divisors (see below), whose sum is σ = 30700800. Its totient is φ = 3373920.

The previous prime is 12722053. The next prime is 12722071. The reversal of 12722070 is 7022721.

12722070 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 (12722071) 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, 4905 + ... + 7035.

It is an arithmetic number, because the mean of its divisors is an integer number (959400).

Almost surely, 2^12722070 is an apocalyptic number.

12722070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12722070 is an abundant number, since it is smaller than the sum of its proper divisors (17978730).

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

12722070 is a wasteful number, since it uses less digits than its factorization.

12722070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 12722070 is about 3566.8010878096. The cubic root of 12722070 is about 233.4457258991.

Adding to 12722070 its reverse (7022721), we get a palindrome (19744791).

The spelling of 12722070 in words is "twelve million, seven hundred twenty-two thousand, seventy".