13405332 has 12 divisors (see below), whose sum is σ = 31279136. Its totient is φ = 4468440.

The previous prime is 13405309. The next prime is 13405349. The reversal of 13405332 is 23350431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13405299 and 13405308.

It is a congruent number.

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, 558544 + ... + 558567.

Almost surely, 2^13405332 is an apocalyptic number.

13405332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13405332 is an abundant number, since it is smaller than the sum of its proper divisors (17873804).

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

13405332 is a wasteful number, since it uses less digits than its factorization.

13405332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117118 (or 1117116 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13405332 is about 3661.3292668101. The cubic root of 13405332 is about 237.5522736276.

Adding to 13405332 its reverse (23350431), we get a palindrome (36755763).

The spelling of 13405332 in words is "thirteen million, four hundred five thousand, three hundred thirty-two".