13541428 has 6 divisors (see below), whose sum is σ = 23697506. Its totient is φ = 6770712.

The previous prime is 13541419. The next prime is 13541441. The reversal of 13541428 is 82414531.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 1790244 = 3428^2 + 1338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13541396 and 13541405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1692675 + ... + 1692682.

Almost surely, 2^13541428 is an apocalyptic number.

It is an amenable number.

13541428 is a deficient number, since it is larger than the sum of its proper divisors (10156078).

13541428 is a wasteful number, since it uses less digits than its factorization.

13541428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385361 (or 3385359 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 13541428 is about 3679.8679324128. The cubic root of 13541428 is about 238.3534751860.

Adding to 13541428 its reverse (82414531), we get a palindrome (95955959).

The spelling of 13541428 in words is "thirteen million, five hundred forty-one thousand, four hundred twenty-eight".