13779472 has 20 divisors (see below), whose sum is σ = 30511936. Its totient is φ = 5905440.

The previous prime is 13779463. The next prime is 13779499. The reversal of 13779472 is 27497731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61404 + ... + 61627.

Almost surely, 2^13779472 is an apocalyptic number.

It is an amenable number.

13779472 is an abundant number, since it is smaller than the sum of its proper divisors (16732464).

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

13779472 is a wasteful number, since it uses less digits than its factorization.

13779472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123046 (or 123040 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The square root of 13779472 is about 3712.0711200083. The cubic root of 13779472 is about 239.7420376451.

The spelling of 13779472 in words is "thirteen million, seven hundred seventy-nine thousand, four hundred seventy-two".