13538667 has 8 divisors (see below), whose sum is σ = 18100224. Its totient is φ = 9001448.

The previous prime is 13538663. The next prime is 13538677. The reversal of 13538667 is 76683531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13538667 - 2² = 13538663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13538663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4743 + ... + 7040.

It is an arithmetic number, because the mean of its divisors is an integer number (2262528).

Almost surely, 2^13538667 is an apocalyptic number.

13538667 is a deficient number, since it is larger than the sum of its proper divisors (4561557).

13538667 is a wasteful number, since it uses less digits than its factorization.

13538667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12169.

The product of its digits is 90720, while the sum is 39.

The square root of 13538667 is about 3679.4927639554. The cubic root of 13538667 is about 238.3372745638.

The spelling of 13538667 in words is "thirteen million, five hundred thirty-eight thousand, six hundred sixty-seven".