13438948 has 12 divisors (see below), whose sum is σ = 24329340. Its totient is φ = 6487712.

The previous prime is 13438933. The next prime is 13438967. The reversal of 13438948 is 84983431.

It can be written as a sum of positive squares in 2 ways, for example, as 5721664 + 7717284 = 2392^2 + 2778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13438948.

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, 57811 + ... + 58042.

It is an arithmetic number, because the mean of its divisors is an integer number (2027445).

Almost surely, 2^13438948 is an apocalyptic number.

It is an amenable number.

13438948 is a deficient number, since it is larger than the sum of its proper divisors (10890392).

13438948 is a wasteful number, since it uses less digits than its factorization.

13438948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115886 (or 115884 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 13438948 is about 3665.9170748941. The cubic root of 13438948 is about 237.7506745698.

The spelling of 13438948 in words is "thirteen million, four hundred thirty-eight thousand, nine hundred forty-eight".