13124722 has 8 divisors (see below), whose sum is σ = 21201516. Its totient is φ = 6057552.

The previous prime is 13124717. The next prime is 13124723. The reversal of 13124722 is 22742131.

It can be written as a sum of positive squares in 2 ways, for example, as 12895281 + 229441 = 3591^2 + 479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13124693 and 13124702.

It is not an unprimeable number, because it can be changed into a prime (13124723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252373 + ... + 252424.

Almost surely, 2^13124722 is an apocalyptic number.

13124722 is a deficient number, since it is larger than the sum of its proper divisors (8076794).

13124722 is a wasteful number, since it uses less digits than its factorization.

13124722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504812.

The product of its digits is 672, while the sum is 22.

The square root of 13124722 is about 3622.8058186991. The cubic root of 13124722 is about 235.8830335832.

Adding to 13124722 its reverse (22742131), we get a palindrome (35866853).

The spelling of 13124722 in words is "thirteen million, one hundred twenty-four thousand, seven hundred twenty-two".