13527442 has 4 divisors (see below), whose sum is σ = 20291166. Its totient is φ = 6763720.

The previous prime is 13527433. The next prime is 13527457. The reversal of 13527442 is 24472531.

13527442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 6446521 = 2661^2 + 2539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13527442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3381859 + ... + 3381862.

Almost surely, 2^13527442 is an apocalyptic number.

13527442 is a deficient number, since it is larger than the sum of its proper divisors (6763724).

13527442 is an equidigital number, since it uses as much as digits as its factorization.

13527442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763723.

The product of its digits is 6720, while the sum is 28.

The square root of 13527442 is about 3677.9671015386. The cubic root of 13527442 is about 238.2713873381.

Adding to 13527442 its reverse (24472531), we get a palindrome (37999973).

It can be divided in two parts, 1352 and 7442, that multiplied together give a square (10061584 = 3172²).

The spelling of 13527442 in words is "thirteen million, five hundred twenty-seven thousand, four hundred forty-two".