13124522 has 4 divisors (see below), whose sum is σ = 19686786. Its totient is φ = 6562260.

The previous prime is 13124521. The next prime is 13124533. The reversal of 13124522 is 22542131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22542131 = 3943 ⋅5717.

It can be written as a sum of positive squares in only one way, i.e., 9480241 + 3644281 = 3079^2 + 1909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13124494 and 13124503.

It is not an unprimeable number, because it can be changed into a prime (13124521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3281129 + ... + 3281132.

Almost surely, 2^13124522 is an apocalyptic number.

13124522 is a deficient number, since it is larger than the sum of its proper divisors (6562264).

13124522 is an equidigital number, since it uses as much as digits as its factorization.

13124522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562263.

The product of its digits is 480, while the sum is 20.

The square root of 13124522 is about 3622.7782156792. The cubic root of 13124522 is about 235.8818354157.

Adding to 13124522 its reverse (22542131), we get a palindrome (35666653).

The spelling of 13124522 in words is "thirteen million, one hundred twenty-four thousand, five hundred twenty-two".