13634380 has 12 divisors (see below), whose sum is σ = 28632240. Its totient is φ = 5453744.

The previous prime is 13634363. The next prime is 13634399. The reversal of 13634380 is 8343631.

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, 340840 + ... + 340879.

It is an arithmetic number, because the mean of its divisors is an integer number (2386020).

Almost surely, 2^13634380 is an apocalyptic number.

13634380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13634380 is an abundant number, since it is smaller than the sum of its proper divisors (14997860).

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

13634380 is a wasteful number, since it uses less digits than its factorization.

13634380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681728 (or 681726 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 13634380 is about 3692.4761339784. The cubic root of 13634380 is about 238.8976061559.

The spelling of 13634380 in words is "thirteen million, six hundred thirty-four thousand, three hundred eighty".