13641522 has 16 divisors (see below), whose sum is σ = 27334560. Its totient is φ = 4538592.

The previous prime is 13641521. The next prime is 13641527. The reversal of 13641522 is 22514631.

It is a super-2 number, since 2×13641522² = 372182244952968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13641492 and 13641501.

It is not an unprimeable number, because it can be changed into a prime (13641521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878 + ... + 5550.

It is an arithmetic number, because the mean of its divisors is an integer number (1708410).

Almost surely, 2^13641522 is an apocalyptic number.

13641522 is an abundant number, since it is smaller than the sum of its proper divisors (13693038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13641522 is a wasteful number, since it uses less digits than its factorization.

13641522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297.

The product of its digits is 1440, while the sum is 24.

The square root of 13641522 is about 3693.4431090786. The cubic root of 13641522 is about 238.9393122174.

The spelling of 13641522 in words is "thirteen million, six hundred forty-one thousand, five hundred twenty-two".