13748687 has 4 divisors (see below), whose sum is σ = 14346480. Its totient is φ = 13150896.

The previous prime is 13748681. The next prime is 13748689. The reversal of 13748687 is 78684731.

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

It is a cyclic number.

It is not a de Polignac number, because 13748687 - 2⁴ = 13748671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13748681) 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, 298862 + ... + 298907.

It is an arithmetic number, because the mean of its divisors is an integer number (3586620).

Almost surely, 2^13748687 is an apocalyptic number.

13748687 is a deficient number, since it is larger than the sum of its proper divisors (597793).

13748687 is an equidigital number, since it uses as much as digits as its factorization.

13748687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597792.

The product of its digits is 225792, while the sum is 44.

The square root of 13748687 is about 3707.9221944372. The cubic root of 13748687 is about 239.5633669931.

The spelling of 13748687 in words is "thirteen million, seven hundred forty-eight thousand, six hundred eighty-seven".