13009952 has 12 divisors (see below), whose sum is σ = 25613406. Its totient is φ = 6504960.

The previous prime is 13009949. The next prime is 13009961. The reversal of 13009952 is 25990031.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 364816 = 3556^2 + 604^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203249 + ... + 203312.

Almost surely, 2^13009952 is an apocalyptic number.

It is an amenable number.

13009952 is a deficient number, since it is larger than the sum of its proper divisors (12603454).

13009952 is an equidigital number, since it uses as much as digits as its factorization.

13009952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406571 (or 406563 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 13009952 is about 3606.9311055245. The cubic root of 13009952 is about 235.1934547055.

Adding to 13009952 its reverse (25990031), we get a palindrome (38999983).

The spelling of 13009952 in words is "thirteen million, nine thousand, nine hundred fifty-two".