13734920 has 16 divisors (see below), whose sum is σ = 30903660. Its totient is φ = 5493952.

The previous prime is 13734913. The next prime is 13735013. The reversal of 13734920 is 2943731.

It can be written as a sum of positive squares in 2 ways, for example, as 13734436 + 484 = 3706^2 + 22^2 .

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, 171647 + ... + 171726.

Almost surely, 2^13734920 is an apocalyptic number.

13734920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13734920 is an abundant number, since it is smaller than the sum of its proper divisors (17168740).

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

13734920 is a wasteful number, since it uses less digits than its factorization.

13734920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343384 (or 343380 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13734920 is about 3706.0652989390. The cubic root of 13734920 is about 239.4833794688.

The spelling of 13734920 in words is "thirteen million, seven hundred thirty-four thousand, nine hundred twenty".