13245887 has 4 divisors (see below), whose sum is σ = 13405560. Its totient is φ = 13086216.

The previous prime is 13245877. The next prime is 13245899. The reversal of 13245887 is 78854231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78854231 = 8867 ⋅8893.

It is a cyclic number.

It is not a de Polignac number, because 13245887 - 2⁶ = 13245823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13245887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245857) 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, 79712 + ... + 79877.

It is an arithmetic number, because the mean of its divisors is an integer number (3351390).

Almost surely, 2^13245887 is an apocalyptic number.

13245887 is a deficient number, since it is larger than the sum of its proper divisors (159673).

13245887 is an equidigital number, since it uses as much as digits as its factorization.

13245887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159672.

The product of its digits is 53760, while the sum is 38.

The square root of 13245887 is about 3639.4899367906. The cubic root of 13245887 is about 236.6066873948.

The spelling of 13245887 in words is "thirteen million, two hundred forty-five thousand, eight hundred eighty-seven".