13604516 has 6 divisors (see below), whose sum is σ = 23807910. Its totient is φ = 6802256.

The previous prime is 13604501. The next prime is 13604519. The reversal of 13604516 is 61540631.

It can be written as a sum of positive squares in only one way, i.e., 9278116 + 4326400 = 3046^2 + 2080^2 .

It is not an unprimeable number, because it can be changed into a prime (13604519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700561 + ... + 1700568.

It is an arithmetic number, because the mean of its divisors is an integer number (3967985).

Almost surely, 2^13604516 is an apocalyptic number.

It is an amenable number.

13604516 is a deficient number, since it is larger than the sum of its proper divisors (10203394).

13604516 is a wasteful number, since it uses less digits than its factorization.

13604516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401133 (or 3401131 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13604516 is about 3688.4300183140. The cubic root of 13604516 is about 238.7230559033.

The spelling of 13604516 in words is "thirteen million, six hundred four thousand, five hundred sixteen".