13632340 has 24 divisors (see below), whose sum is σ = 28707840. Its totient is φ = 5437728.

The previous prime is 13632337. The next prime is 13632361. The reversal of 13632340 is 4323631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8869 + ... + 10291.

It is an arithmetic number, because the mean of its divisors is an integer number (1196160).

Almost surely, 2^13632340 is an apocalyptic number.

13632340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13632340 is an abundant number, since it is smaller than the sum of its proper divisors (15075500).

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

13632340 is a wasteful number, since it uses less digits than its factorization.

13632340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 13632340 is about 3692.1998862467. The cubic root of 13632340 is about 238.8856908011.

Adding to 13632340 its reverse (4323631), we get a palindrome (17955971).

The spelling of 13632340 in words is "thirteen million, six hundred thirty-two thousand, three hundred forty".