13861604 has 12 divisors (see below), whose sum is σ = 24329004. Its totient is φ = 6910464.

The previous prime is 13861559. The next prime is 13861607. The reversal of 13861604 is 40616831.

It can be written as a sum of positive squares in 2 ways, for example, as 10903204 + 2958400 = 3302^2 + 1720^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13861607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3497 + ... + 6320.

It is an arithmetic number, because the mean of its divisors is an integer number (2027417).

Almost surely, 2^13861604 is an apocalyptic number.

It is an amenable number.

13861604 is a deficient number, since it is larger than the sum of its proper divisors (10467400).

13861604 is a wasteful number, since it uses less digits than its factorization.

13861604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174 (or 10172 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13861604 is about 3723.1175109040. The cubic root of 13861604 is about 240.2174187192.

The spelling of 13861604 in words is "thirteen million, eight hundred sixty-one thousand, six hundred four".