13929948 has 24 divisors (see below), whose sum is σ = 36114960. Its totient is φ = 4643280.

The previous prime is 13929913. The next prime is 13929961. The reversal of 13929948 is 84992931.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 64383 + ... + 64598.

It is an arithmetic number, because the mean of its divisors is an integer number (1504790).

Almost surely, 2^13929948 is an apocalyptic number.

13929948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13929948 is an abundant number, since it is smaller than the sum of its proper divisors (22185012).

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

13929948 is a wasteful number, since it uses less digits than its factorization.

13929948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128994 (or 128986 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 13929948 is about 3732.2845550681. The cubic root of 13929948 is about 240.6115652925.

The spelling of 13929948 in words is "thirteen million, nine hundred twenty-nine thousand, nine hundred forty-eight".