13774438 has 4 divisors (see below), whose sum is σ = 20661660. Its totient is φ = 6887218.

The previous prime is 13774427. The next prime is 13774451. The reversal of 13774438 is 83447731.

13774438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13774397 and 13774406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443608 + ... + 3443611.

It is an arithmetic number, because the mean of its divisors is an integer number (5165415).

Almost surely, 2^13774438 is an apocalyptic number.

13774438 is a deficient number, since it is larger than the sum of its proper divisors (6887222).

13774438 is an equidigital number, since it uses as much as digits as its factorization.

13774438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887221.

The product of its digits is 56448, while the sum is 37.

The square root of 13774438 is about 3711.3929999395. The cubic root of 13774438 is about 239.7128394191.

The spelling of 13774438 in words is "thirteen million, seven hundred seventy-four thousand, four hundred thirty-eight".