13779234 has 80 divisors (see below), whose sum is σ = 36590400. Its totient is φ = 3792096.

The previous prime is 13779223. The next prime is 13779251. The reversal of 13779234 is 43297731.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32677 + ... + 33095.

It is an arithmetic number, because the mean of its divisors is an integer number (457380).

Almost surely, 2^13779234 is an apocalyptic number.

13779234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13779234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18295200).

13779234 is an abundant number, since it is smaller than the sum of its proper divisors (22811166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13779234 is a wasteful number, since it uses less digits than its factorization.

13779234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 460 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13779234 is about 3712.0390622945. The cubic root of 13779234 is about 239.7406573567.

The spelling of 13779234 in words is "thirteen million, seven hundred seventy-nine thousand, two hundred thirty-four".