13522156 has 6 divisors (see below), whose sum is σ = 23663780. Its totient is φ = 6761076.

The previous prime is 13522147. The next prime is 13522177. The reversal of 13522156 is 65122531.

It is a self number, because there is not a number n which added to its sum of digits gives 13522156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1690266 + ... + 1690273.

Almost surely, 2^13522156 is an apocalyptic number.

It is an amenable number.

13522156 is a deficient number, since it is larger than the sum of its proper divisors (10141624).

13522156 is a wasteful number, since it uses less digits than its factorization.

13522156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380543 (or 3380541 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 13522156 is about 3677.2484278330. The cubic root of 13522156 is about 238.2403475538.

Adding to 13522156 its reverse (65122531), we get a palindrome (78644687).

The spelling of 13522156 in words is "thirteen million, five hundred twenty-two thousand, one hundred fifty-six".