13748667 has 4 divisors (see below), whose sum is σ = 18331560. Its totient is φ = 9165776.

The previous prime is 13748663. The next prime is 13748671. The reversal of 13748667 is 76684731.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13748663) and next prime (13748671).

It is a cyclic number.

It is not a de Polignac number, because 13748667 - 2² = 13748663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13748663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291442 + ... + 2291447.

It is an arithmetic number, because the mean of its divisors is an integer number (4582890).

Almost surely, 2^13748667 is an apocalyptic number.

13748667 is a deficient number, since it is larger than the sum of its proper divisors (4582893).

13748667 is an equidigital number, since it uses as much as digits as its factorization.

13748667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582892.

The product of its digits is 169344, while the sum is 42.

The square root of 13748667 is about 3707.9194975080. The cubic root of 13748667 is about 239.5632508300.

The spelling of 13748667 in words is "thirteen million, seven hundred forty-eight thousand, six hundred sixty-seven".