13157480 has 80 divisors (see below), whose sum is σ = 34788420. Its totient is φ = 4478208.

The previous prime is 13157479. The next prime is 13157483. The reversal of 13157480 is 8475131.

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 9604 = 3626^2 + 98^2 .

It is not an unprimeable number, because it can be changed into a prime (13157483) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95972 + ... + 96108.

Almost surely, 2^13157480 is an apocalyptic number.

13157480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13157480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17394210).

13157480 is an abundant number, since it is smaller than the sum of its proper divisors (21630940).

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

13157480 is an equidigital number, since it uses as much as digits as its factorization.

13157480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 13157480 is about 3627.3240825711. The cubic root of 13157480 is about 236.0791173976.

The spelling of 13157480 in words is "thirteen million, one hundred fifty-seven thousand, four hundred eighty".