13648651 has 4 divisors (see below), whose sum is σ = 13665400. Its totient is φ = 13631904.

The previous prime is 13648619. The next prime is 13648681. The reversal of 13648651 is 15684631.

It is a happy number.

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 13648651 - 2⁵ = 13648619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13648681) 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, 7086 + ... + 8803.

It is an arithmetic number, because the mean of its divisors is an integer number (3416350).

Almost surely, 2^13648651 is an apocalyptic number.

13648651 is a deficient number, since it is larger than the sum of its proper divisors (16749).

13648651 is an equidigital number, since it uses as much as digits as its factorization.

13648651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16748.

The product of its digits is 17280, while the sum is 34.

The square root of 13648651 is about 3694.4080716672. The cubic root of 13648651 is about 238.9809278502.

The spelling of 13648651 in words is "thirteen million, six hundred forty-eight thousand, six hundred fifty-one".