13529121 has 16 divisors (see below), whose sum is σ = 19261440. Its totient is φ = 8421840.

The previous prime is 13529101. The next prime is 13529123. The reversal of 13529121 is 12192531.

It is not a de Polignac number, because 13529121 - 2¹⁹ = 13004833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13529091 and 13529100.

It is not an unprimeable number, because it can be changed into a prime (13529123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2376 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (1203840).

Almost surely, 2^13529121 is an apocalyptic number.

It is an amenable number.

13529121 is a deficient number, since it is larger than the sum of its proper divisors (5732319).

13529121 is a wasteful number, since it uses less digits than its factorization.

13529121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436.

The product of its digits is 540, while the sum is 24.

The square root of 13529121 is about 3678.1953455465. The cubic root of 13529121 is about 238.2812448586.

The spelling of 13529121 in words is "thirteen million, five hundred twenty-nine thousand, one hundred twenty-one".