13103722 has 4 divisors (see below), whose sum is σ = 19655586. Its totient is φ = 6551860.

The previous prime is 13103707. The next prime is 13103729. The reversal of 13103722 is 22730131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22730131 = 83 ⋅273857.

It can be written as a sum of positive squares in only one way, i.e., 13097161 + 6561 = 3619^2 + 81^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13103722.

It is not an unprimeable number, because it can be changed into a prime (13103729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275929 + ... + 3275932.

Almost surely, 2^13103722 is an apocalyptic number.

13103722 is a deficient number, since it is larger than the sum of its proper divisors (6551864).

13103722 is an equidigital number, since it uses as much as digits as its factorization.

13103722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551863.

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

The square root of 13103722 is about 3619.9063523799. The cubic root of 13103722 is about 235.7571594758.

Adding to 13103722 its reverse (22730131), we get a palindrome (35833853).

The spelling of 13103722 in words is "thirteen million, one hundred three thousand, seven hundred twenty-two".