13538468 has 6 divisors (see below), whose sum is σ = 23692326. Its totient is φ = 6769232.

The previous prime is 13538453. The next prime is 13538471. The reversal of 13538468 is 86483531.

It can be written as a sum of positive squares in only one way, i.e., 10291264 + 3247204 = 3208^2 + 1802^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1692305 + ... + 1692312.

It is an arithmetic number, because the mean of its divisors is an integer number (3948721).

Almost surely, 2^13538468 is an apocalyptic number.

It is an amenable number.

13538468 is a deficient number, since it is larger than the sum of its proper divisors (10153858).

13538468 is a wasteful number, since it uses less digits than its factorization.

13538468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384621 (or 3384619 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 13538468 is about 3679.4657220852. The cubic root of 13538468 is about 238.3361068135.

The spelling of 13538468 in words is "thirteen million, five hundred thirty-eight thousand, four hundred sixty-eight".