13987414 has 8 divisors (see below), whose sum is σ = 23978448. Its totient is φ = 5994600.

The previous prime is 13987411. The next prime is 13987423. The reversal of 13987414 is 41478931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13987411) 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, 499537 + ... + 499564.

It is an arithmetic number, because the mean of its divisors is an integer number (2997306).

Almost surely, 2^13987414 is an apocalyptic number.

13987414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13987414 is a deficient number, since it is larger than the sum of its proper divisors (9991034).

13987414 is an equidigital number, since it uses as much as digits as its factorization.

13987414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999110.

The product of its digits is 24192, while the sum is 37.

The square root of 13987414 is about 3739.9751336072. The cubic root of 13987414 is about 240.9419808338.

The spelling of 13987414 in words is "thirteen million, nine hundred eighty-seven thousand, four hundred fourteen".