13779734 has 8 divisors (see below), whose sum is σ = 20820888. Its totient is φ = 6839440.

The previous prime is 13779719. The next prime is 13779757. The reversal of 13779734 is 43797731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13779734² = 379762138221512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13779691 and 13779700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24872 + ... + 25419.

It is an arithmetic number, because the mean of its divisors is an integer number (2602611).

Almost surely, 2^13779734 is an apocalyptic number.

13779734 is a deficient number, since it is larger than the sum of its proper divisors (7041154).

13779734 is a wasteful number, since it uses less digits than its factorization.

13779734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50430.

The product of its digits is 111132, while the sum is 41.

The square root of 13779734 is about 3712.1064101127. The cubic root of 13779734 is about 239.7435571038.

It can be divided in two parts, 1377 and 9734, that added together give a palindrome (11111).

The spelling of 13779734 in words is "thirteen million, seven hundred seventy-nine thousand, seven hundred thirty-four".