13131954 has 48 divisors (see below), whose sum is σ = 32123520. Its totient is φ = 3840480.

The previous prime is 13131917. The next prime is 13131959. The reversal of 13131954 is 45913131.

It is not an unprimeable number, because it can be changed into a prime (13131959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4599 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (669240).

Almost surely, 2^13131954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16061760).

13131954 is an abundant number, since it is smaller than the sum of its proper divisors (18991566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131954 is a wasteful number, since it uses less digits than its factorization.

13131954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2332 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 13131954 is about 3623.8038026361. The cubic root of 13131954 is about 235.9263511449.

The spelling of 13131954 in words is "thirteen million, one hundred thirty-one thousand, nine hundred fifty-four".