13940672 has 14 divisors (see below), whose sum is σ = 27663648. Its totient is φ = 6970304.

The previous prime is 13940671. The next prime is 13940681. The reversal of 13940672 is 27604931.

13940672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13940672³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13940671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108848 + ... + 108975.

Almost surely, 2^13940672 is an apocalyptic number.

It is an amenable number.

13940672 is a deficient number, since it is larger than the sum of its proper divisors (13722976).

13940672 is an equidigital number, since it uses as much as digits as its factorization.

13940672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217835 (or 217825 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 13940672 is about 3733.7209322605. The cubic root of 13940672 is about 240.6732945623.

The spelling of 13940672 in words is "thirteen million, nine hundred forty thousand, six hundred seventy-two".