13650671 has 4 divisors (see below), whose sum is σ = 13680744. Its totient is φ = 13620600.

The previous prime is 13650667. The next prime is 13650691. The reversal of 13650671 is 17605631.

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 13650671 - 2² = 13650667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650631) 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 in 3 ways as a sum of consecutive naturals, for example, 14345 + ... + 15266.

It is an arithmetic number, because the mean of its divisors is an integer number (3420186).

Almost surely, 2^13650671 is an apocalyptic number.

13650671 is a deficient number, since it is larger than the sum of its proper divisors (30073).

13650671 is an equidigital number, since it uses as much as digits as its factorization.

13650671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30072.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13650671 is about 3694.6814477029. The cubic root of 13650671 is about 238.9927169924.

The spelling of 13650671 in words is "thirteen million, six hundred fifty thousand, six hundred seventy-one".