13522045 has 16 divisors (see below), whose sum is σ = 17482752. Its totient is φ = 10010880.

The previous prime is 13522031. The next prime is 13522063. The reversal of 13522045 is 54022531.

It is not a de Polignac number, because 13522045 - 2⁵ = 13522013 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1669 + ... + 5461.

It is an arithmetic number, because the mean of its divisors is an integer number (1092672).

Almost surely, 2^13522045 is an apocalyptic number.

It is an amenable number.

13522045 is a deficient number, since it is larger than the sum of its proper divisors (3960707).

13522045 is a wasteful number, since it uses less digits than its factorization.

13522045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 13522045 is about 3677.2333349952. The cubic root of 13522045 is about 238.2396956669.

Adding to 13522045 its reverse (54022531), we get a palindrome (67544576).

The spelling of 13522045 in words is "thirteen million, five hundred twenty-two thousand, forty-five".