13974140 has 24 divisors (see below), whose sum is σ = 30030000. Its totient is φ = 5459328.

The previous prime is 13974131. The next prime is 13974151. The reversal of 13974140 is 4147931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7265 + ... + 8984.

It is an arithmetic number, because the mean of its divisors is an integer number (1251250).

Almost surely, 2^13974140 is an apocalyptic number.

13974140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13974140 is an abundant number, since it is smaller than the sum of its proper divisors (16055860).

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

13974140 is a wasteful number, since it uses less digits than its factorization.

13974140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16301 (or 16299 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13974140 is about 3738.2001016532. The cubic root of 13974140 is about 240.8657390519.

The spelling of 13974140 in words is "thirteen million, nine hundred seventy-four thousand, one hundred forty".