13445352 has 40 divisors (see below), whose sum is σ = 37661250. Its totient is φ = 4481568.

The previous prime is 13445347. The next prime is 13445353. The reversal of 13445352 is 25354431.

It can be written as a sum of positive squares in only one way, i.e., 13351716 + 93636 = 3654^2 + 306^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13445353) by changing a digit.

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 in 9 ways as a sum of consecutive naturals, for example, 9727 + ... + 11022.

Almost surely, 2^13445352 is an apocalyptic number.

13445352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13445352 is an abundant number, since it is smaller than the sum of its proper divisors (24215898).

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

13445352 is a wasteful number, since it uses less digits than its factorization.

13445352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20767 (or 20754 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 13445352 is about 3666.7904221540. The cubic root of 13445352 is about 237.7884333174.

Adding to 13445352 its reverse (25354431), we get a palindrome (38799783).

The spelling of 13445352 in words is "thirteen million, four hundred forty-five thousand, three hundred fifty-two".