13722970 has 16 divisors (see below), whose sum is σ = 24855840. Its totient is φ = 5454864.

The previous prime is 13722941. The next prime is 13722979. The reversal of 13722970 is 7922731.

13722970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13722979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580 + ... + 5839.

It is an arithmetic number, because the mean of its divisors is an integer number (1553490).

Almost surely, 2^13722970 is an apocalyptic number.

13722970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13722970 is a deficient number, since it is larger than the sum of its proper divisors (11132870).

13722970 is a wasteful number, since it uses less digits than its factorization.

13722970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 13722970 is about 3704.4527261122. The cubic root of 13722970 is about 239.4139055352.

The spelling of 13722970 in words is "thirteen million, seven hundred twenty-two thousand, nine hundred seventy".