13974280 has 16 divisors (see below), whose sum is σ = 31442220. Its totient is φ = 5589696.

The previous prime is 13974277. The next prime is 13974283. The reversal of 13974280 is 8247931.

It is an interprime number because it is at equal distance from previous prime (13974277) and next prime (13974283).

It can be written as a sum of positive squares in 2 ways, for example, as 13883076 + 91204 = 3726^2 + 302^2 .

It is not an unprimeable number, because it can be changed into a prime (13974283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174639 + ... + 174718.

Almost surely, 2^13974280 is an apocalyptic number.

13974280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13974280 is an abundant number, since it is smaller than the sum of its proper divisors (17467940).

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

13974280 is a wasteful number, since it uses less digits than its factorization.

13974280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349368 (or 349364 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 13974280 is about 3738.2188271956. The cubic root of 13974280 is about 240.8665434208.

The spelling of 13974280 in words is "thirteen million, nine hundred seventy-four thousand, two hundred eighty".