13451189 has 4 divisors (see below), whose sum is σ = 13499340. Its totient is φ = 13403040.

The previous prime is 13451173. The next prime is 13451197. The reversal of 13451189 is 98115431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9972964 + 3478225 = 3158^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 13451189 - 2⁴ = 13451173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451149) 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, 23654 + ... + 24215.

It is an arithmetic number, because the mean of its divisors is an integer number (3374835).

Almost surely, 2^13451189 is an apocalyptic number.

It is an amenable number.

13451189 is a deficient number, since it is larger than the sum of its proper divisors (48151).

13451189 is an equidigital number, since it uses as much as digits as its factorization.

13451189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48150.

The product of its digits is 4320, while the sum is 32.

The square root of 13451189 is about 3667.5862634708. The cubic root of 13451189 is about 237.8228385226.

The spelling of 13451189 in words is "thirteen million, four hundred fifty-one thousand, one hundred eighty-nine".