13834520 has 32 divisors (see below), whose sum is σ = 35575200. Its totient is φ = 4743168.

The previous prime is 13834487. The next prime is 13834529. The reversal of 13834520 is 2543831.

It is a self number, because there is not a number n which added to its sum of digits gives 13834520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13834529) 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, 24425 + ... + 24984.

It is an arithmetic number, because the mean of its divisors is an integer number (1111725).

Almost surely, 2^13834520 is an apocalyptic number.

13834520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13834520 is an abundant number, since it is smaller than the sum of its proper divisors (21740680).

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

13834520 is a wasteful number, since it uses less digits than its factorization.

13834520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49427 (or 49423 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 13834520 is about 3719.4784580637. The cubic root of 13834520 is about 240.0608641931.

The spelling of 13834520 in words is "thirteen million, eight hundred thirty-four thousand, five hundred twenty".