13188949 has 8 divisors (see below), whose sum is σ = 13460832. Its totient is φ = 12919920.

The previous prime is 13188947. The next prime is 13188961. The reversal of 13188949 is 94988131.

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 13188949 - 2¹ = 13188947 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 (13188941) 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, 10267 + ... + 11479.

It is an arithmetic number, because the mean of its divisors is an integer number (1682604).

Almost surely, 2^13188949 is an apocalyptic number.

It is an amenable number.

13188949 is a deficient number, since it is larger than the sum of its proper divisors (271883).

13188949 is a wasteful number, since it uses less digits than its factorization.

13188949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427.

The product of its digits is 62208, while the sum is 43.

The square root of 13188949 is about 3631.6592626512. The cubic root of 13188949 is about 236.2671792142.

The spelling of 13188949 in words is "thirteen million, one hundred eighty-eight thousand, nine hundred forty-nine".