13601851 has 2 divisors, whose sum is σ = 13601852. Its totient is φ = 13601850.

The previous prime is 13601843. The next prime is 13601869. The reversal of 13601851 is 15810631.

13601851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (15810631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13601851 - 2³ = 13601843 is a prime.

It is not a weakly prime, because it can be changed into another prime (13601821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6800925 + 6800926.

It is an arithmetic number, because the mean of its divisors is an integer number (6800926).

Almost surely, 2^13601851 is an apocalyptic number.

13601851 is a deficient number, since it is larger than the sum of its proper divisors (1).

13601851 is an equidigital number, since it uses as much as digits as its factorization.

13601851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 13601851 is about 3688.0687358020. The cubic root of 13601851 is about 238.7074669991.

The spelling of 13601851 in words is "thirteen million, six hundred one thousand, eight hundred fifty-one".