13774019 has 4 divisors (see below), whose sum is σ = 15741744. Its totient is φ = 11806296.

The previous prime is 13774001. The next prime is 13774021. The reversal of 13774019 is 91047731.

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

It is a cyclic number.

It is not a de Polignac number, because 13774019 - 2⁸ = 13773763 is a prime.

It is a super-2 number, since 2×13774019² = 379447198824722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13771019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983852 + ... + 983865.

It is an arithmetic number, because the mean of its divisors is an integer number (3935436).

Almost surely, 2^13774019 is an apocalyptic number.

13774019 is a deficient number, since it is larger than the sum of its proper divisors (1967725).

13774019 is an equidigital number, since it uses as much as digits as its factorization.

13774019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967724.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 13774019 is about 3711.3365517021. The cubic root of 13774019 is about 239.7104088130.

The spelling of 13774019 in words is "thirteen million, seven hundred seventy-four thousand, nineteen".