13978348 has 12 divisors (see below), whose sum is σ = 25305840. Its totient is φ = 6748112.

The previous prime is 13978337. The next prime is 13978421. The reversal of 13978348 is 84387931.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60136 + ... + 60367.

It is an arithmetic number, because the mean of its divisors is an integer number (2108820).

Almost surely, 2^13978348 is an apocalyptic number.

It is an amenable number.

13978348 is a deficient number, since it is larger than the sum of its proper divisors (11327492).

13978348 is a wasteful number, since it uses less digits than its factorization.

13978348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120536 (or 120534 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 13978348 is about 3738.7628970022. The cubic root of 13978348 is about 240.8899137372.

It can be divided in two parts, 139 and 78348, that added together give a palindrome (78487).

The spelling of 13978348 in words is "thirteen million, nine hundred seventy-eight thousand, three hundred forty-eight".