13445756 has 12 divisors (see below), whose sum is σ = 24077592. Its totient is φ = 6566448.

The previous prime is 13445741. The next prime is 13445791. The reversal of 13445756 is 65754431.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38915 + ... + 39258.

It is an arithmetic number, because the mean of its divisors is an integer number (2006466).

Almost surely, 2^13445756 is an apocalyptic number.

It is an amenable number.

13445756 is a deficient number, since it is larger than the sum of its proper divisors (10631836).

13445756 is a wasteful number, since it uses less digits than its factorization.

13445756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78220 (or 78218 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 13445756 is about 3666.8455107899. The cubic root of 13445756 is about 237.7908149475.

The spelling of 13445756 in words is "thirteen million, four hundred forty-five thousand, seven hundred fifty-six".