13774774 has 16 divisors (see below), whose sum is σ = 22316112. Its totient is φ = 6339168.

The previous prime is 13774771. The next prime is 13774793. The reversal of 13774774 is 47747731.

It is a super-4 number, since 4×13774774⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13774771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13092 + ... + 14104.

It is an arithmetic number, because the mean of its divisors is an integer number (1394757).

Almost surely, 2^13774774 is an apocalyptic number.

13774774 is a deficient number, since it is larger than the sum of its proper divisors (8541338).

13774774 is a wasteful number, since it uses less digits than its factorization.

13774774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

The product of its digits is 115248, while the sum is 40.

The square root of 13774774 is about 3711.4382656862. The cubic root of 13774774 is about 239.7147885091.

The spelling of 13774774 in words is "thirteen million, seven hundred seventy-four thousand, seven hundred seventy-four".