13945936 has 10 divisors (see below), whose sum is σ = 27020282. Its totient is φ = 6972960.

The previous prime is 13945927. The next prime is 13945937. The reversal of 13945936 is 63954931.

It can be written as a sum of positive squares in only one way, i.e., 7595536 + 6350400 = 2756^2 + 2520^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13945937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435795 + ... + 435826.

Almost surely, 2^13945936 is an apocalyptic number.

13945936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13945936 is a deficient number, since it is larger than the sum of its proper divisors (13074346).

13945936 is an equidigital number, since it uses as much as digits as its factorization.

13945936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871629 (or 871623 counting only the distinct ones).

The product of its digits is 87480, while the sum is 40.

The square root of 13945936 is about 3734.4257925416. The cubic root of 13945936 is about 240.7035835086.

The spelling of 13945936 in words is "thirteen million, nine hundred forty-five thousand, nine hundred thirty-six".