13456851 has 4 divisors (see below), whose sum is σ = 17942472. Its totient is φ = 8971232.

The previous prime is 13456829. The next prime is 13456853. The reversal of 13456851 is 15865431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15865431 = 3 ⋅5288477.

It is a cyclic number.

It is not a de Polignac number, because 13456851 - 2⁵ = 13456819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13456853) 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, 2242806 + ... + 2242811.

It is an arithmetic number, because the mean of its divisors is an integer number (4485618).

Almost surely, 2^13456851 is an apocalyptic number.

13456851 is a deficient number, since it is larger than the sum of its proper divisors (4485621).

13456851 is an equidigital number, since it uses as much as digits as its factorization.

13456851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485620.

The product of its digits is 14400, while the sum is 33.

The square root of 13456851 is about 3668.3580795773. The cubic root of 13456851 is about 237.8562027112.

The spelling of 13456851 in words is "thirteen million, four hundred fifty-six thousand, eight hundred fifty-one".