13945756 has 24 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 6294000.

The previous prime is 13945747. The next prime is 13945769. The reversal of 13945756 is 65754931.

It is a super-2 number, since 2×13945756² = 388968220823072, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5595 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^13945756 is an apocalyptic number.

It is an amenable number.

13945756 is a deficient number, since it is larger than the sum of its proper divisors (12867044).

13945756 is a wasteful number, since it uses less digits than its factorization.

13945756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2263 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 13945756 is about 3734.4016923732. The cubic root of 13945756 is about 240.7025479182.

The spelling of 13945756 in words is "thirteen million, nine hundred forty-five thousand, seven hundred fifty-six".