13445956 has 6 divisors (see below), whose sum is σ = 23530430. Its totient is φ = 6722976.

The previous prime is 13445933. The next prime is 13445959. The reversal of 13445956 is 65954431.

It can be written as a sum of positive squares in only one way, i.e., 13439556 + 6400 = 3666^2 + 80^2 .

It is not an unprimeable number, because it can be changed into a prime (13445959) 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 as a sum of consecutive naturals, namely, 1680741 + ... + 1680748.

Almost surely, 2^13445956 is an apocalyptic number.

It is an amenable number.

13445956 is a deficient number, since it is larger than the sum of its proper divisors (10084474).

13445956 is a wasteful number, since it uses less digits than its factorization.

13445956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361493 (or 3361491 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 13445956 is about 3666.8727820856. The cubic root of 13445956 is about 237.7919939547.

The spelling of 13445956 in words is "thirteen million, four hundred forty-five thousand, nine hundred fifty-six".