13722130 has 16 divisors (see below), whose sum is σ = 24773760. Its totient is φ = 5472432.

The previous prime is 13722103. The next prime is 13722143. The reversal of 13722130 is 3122731.

It is a junction number, because it is equal to n+sod(n) for n = 13722098 and 13722107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801 + ... + 5539.

It is an arithmetic number, because the mean of its divisors is an integer number (1548360).

Almost surely, 2^13722130 is an apocalyptic number.

13722130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13722130 is a deficient number, since it is larger than the sum of its proper divisors (11051630).

13722130 is a wasteful number, since it uses less digits than its factorization.

13722130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13722130 is about 3704.3393473061. The cubic root of 13722130 is about 239.4090204949.

Adding to 13722130 its reverse (3122731), we get a palindrome (16844861).

The spelling of 13722130 in words is "thirteen million, seven hundred twenty-two thousand, one hundred thirty".