13945764 has 24 divisors (see below), whose sum is σ = 37188928. Its totient is φ = 3984480.

The previous prime is 13945747. The next prime is 13945769. The reversal of 13945764 is 46754931.

13945764 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13945769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82927 + ... + 83094.

Almost surely, 2^13945764 is an apocalyptic number.

13945764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13945764 is an abundant number, since it is smaller than the sum of its proper divisors (23243164).

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

13945764 is a wasteful number, since it uses less digits than its factorization.

13945764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166035 (or 166033 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 13945764 is about 3734.4027634951. The cubic root of 13945764 is about 240.7025939446.

The spelling of 13945764 in words is "thirteen million, nine hundred forty-five thousand, seven hundred sixty-four".