13522945 has 16 divisors (see below), whose sum is σ = 16930368. Its totient is φ = 10359360.

The previous prime is 13522921. The next prime is 13522963. The reversal of 13522945 is 54922531.

It is a de Polignac number, because none of the positive numbers 2^k-13522945 is a prime.

It is a Duffinian number.

Its product of digits (10800) is a multiple of the sum of its prime divisors (1200).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11850 + ... + 12940.

It is an arithmetic number, because the mean of its divisors is an integer number (1058148).

Almost surely, 2^13522945 is an apocalyptic number.

It is an amenable number.

13522945 is a deficient number, since it is larger than the sum of its proper divisors (3407423).

13522945 is a wasteful number, since it uses less digits than its factorization.

13522945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its digits is 10800, while the sum is 31.

The square root of 13522945 is about 3677.3557075703. The cubic root of 13522945 is about 238.2449811339.

The spelling of 13522945 in words is "thirteen million, five hundred twenty-two thousand, nine hundred forty-five".