13157984 has 24 divisors (see below), whose sum is σ = 29605968. Its totient is φ = 5639040.

The previous prime is 13157971. The next prime is 13157987. The reversal of 13157984 is 48975131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157987) 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, 29147 + ... + 29594.

It is an arithmetic number, because the mean of its divisors is an integer number (1233582).

Almost surely, 2^13157984 is an apocalyptic number.

13157984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13157984 is an abundant number, since it is smaller than the sum of its proper divisors (16447984).

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

13157984 is an equidigital number, since it uses as much as digits as its factorization.

13157984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58758 (or 58750 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 13157984 is about 3627.3935546064. The cubic root of 13157984 is about 236.0821317123.

It can be divided in two parts, 13157 and 984, that added together give a palindrome (14141).

The spelling of 13157984 in words is "thirteen million, one hundred fifty-seven thousand, nine hundred eighty-four".