13149280 has 24 divisors (see below), whose sum is σ = 31065552. Its totient is φ = 5259648.

The previous prime is 13149277. The next prime is 13149293. The reversal of 13149280 is 8294131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40932 + ... + 41251.

It is an arithmetic number, because the mean of its divisors is an integer number (1294398).

Almost surely, 2^13149280 is an apocalyptic number.

13149280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13149280 is an abundant number, since it is smaller than the sum of its proper divisors (17916272).

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

13149280 is an equidigital number, since it uses as much as digits as its factorization.

13149280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82198 (or 82190 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13149280 is about 3626.1935965969. The cubic root of 13149280 is about 236.0300641581.

The spelling of 13149280 in words is "thirteen million, one hundred forty-nine thousand, two hundred eighty".