13524404 has 6 divisors (see below), whose sum is σ = 23667714. Its totient is φ = 6762200.

The previous prime is 13524389. The next prime is 13524421. The reversal of 13524404 is 40442531.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 2896804 = 3260^2 + 1702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13524404.

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, 1690547 + ... + 1690554.

It is an arithmetic number, because the mean of its divisors is an integer number (3944619).

Almost surely, 2^13524404 is an apocalyptic number.

It is an amenable number.

13524404 is a deficient number, since it is larger than the sum of its proper divisors (10143310).

13524404 is a wasteful number, since it uses less digits than its factorization.

13524404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381105 (or 3381103 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13524404 is about 3677.5540784603. The cubic root of 13524404 is about 238.2535489650.

Adding to 13524404 its reverse (40442531), we get a palindrome (53966935).

The spelling of 13524404 in words is "thirteen million, five hundred twenty-four thousand, four hundred four".