13774449 has 32 divisors (see below), whose sum is σ = 21571200. Its totient is φ = 7741440.

The previous prime is 13774427. The next prime is 13774451. The reversal of 13774449 is 94447731.

13774449 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13774449 - 2⁵ = 13774417 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13774489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21169 + ... + 21809.

It is an arithmetic number, because the mean of its divisors is an integer number (674100).

Almost surely, 2^13774449 is an apocalyptic number.

13774449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13774449 is a deficient number, since it is larger than the sum of its proper divisors (7796751).

13774449 is a wasteful number, since it uses less digits than its factorization.

13774449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its digits is 84672, while the sum is 39.

The square root of 13774449 is about 3711.3944818626. The cubic root of 13774449 is about 239.7129032291.

The spelling of 13774449 in words is "thirteen million, seven hundred seventy-four thousand, four hundred forty-nine".