13948287 has 8 divisors (see below), whose sum is σ = 18617904. Its totient is φ = 9288768.

The previous prime is 13948273. The next prime is 13948301. The reversal of 13948287 is 78284931.

It is an interprime number because it is at equal distance from previous prime (13948273) and next prime (13948301).

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

It is not a de Polignac number, because 13948287 - 2⁸ = 13948031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13948247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (2327238).

Almost surely, 2^13948287 is an apocalyptic number.

13948287 is a deficient number, since it is larger than the sum of its proper divisors (4669617).

13948287 is a wasteful number, since it uses less digits than its factorization.

13948287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049.

The product of its digits is 96768, while the sum is 42.

The square root of 13948287 is about 3734.7405532379. The cubic root of 13948287 is about 240.7171086514.

The spelling of 13948287 in words is "thirteen million, nine hundred forty-eight thousand, two hundred eighty-seven".