13561867 has 8 divisors (see below), whose sum is σ = 14998320. Its totient is φ = 12159360.

The previous prime is 13561859. The next prime is 13561883. The reversal of 13561867 is 76816531.

13561867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13561867 - 2³ = 13561859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13561837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7642 + ... + 9247.

It is an arithmetic number, because the mean of its divisors is an integer number (1874790).

Almost surely, 2^13561867 is an apocalyptic number.

13561867 is a deficient number, since it is larger than the sum of its proper divisors (1436453).

13561867 is a wasteful number, since it uses less digits than its factorization.

13561867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16973.

The product of its digits is 30240, while the sum is 37.

The square root of 13561867 is about 3682.6440229813. The cubic root of 13561867 is about 238.4733359488.

It can be divided in two parts, 1356 and 1867, that added together give a palindrome (3223).

The spelling of 13561867 in words is "thirteen million, five hundred sixty-one thousand, eight hundred sixty-seven".