13445332 has 6 divisors (see below), whose sum is σ = 23529338. Its totient is φ = 6722664.

The previous prime is 13445321. The next prime is 13445347. The reversal of 13445332 is 23354431.

It can be written as a sum of positive squares in only one way, i.e., 13439556 + 5776 = 3666^2 + 76^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13445297 and 13445306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1680663 + ... + 1680670.

Almost surely, 2^13445332 is an apocalyptic number.

It is an amenable number.

13445332 is a deficient number, since it is larger than the sum of its proper divisors (10084006).

13445332 is a wasteful number, since it uses less digits than its factorization.

13445332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361337 (or 3361335 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 13445332 is about 3666.7876949723. The cubic root of 13445332 is about 237.7883154137.

Adding to 13445332 its reverse (23354431), we get a palindrome (36799763).

Subtracting 13445332 from its reverse (23354431), we obtain a palindrome (9909099).

The spelling of 13445332 in words is "thirteen million, four hundred forty-five thousand, three hundred thirty-two".