13942024 has 8 divisors (see below), whose sum is σ = 26141310. Its totient is φ = 6971008.

The previous prime is 13942013. The next prime is 13942031. The reversal of 13942024 is 42024931.

It can be written as a sum of positive squares in only one way, i.e., 9180900 + 4761124 = 3030^2 + 2182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13942024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871369 + ... + 871384.

Almost surely, 2^13942024 is an apocalyptic number.

It is an amenable number.

13942024 is a deficient number, since it is larger than the sum of its proper divisors (12199286).

13942024 is a wasteful number, since it uses less digits than its factorization.

13942024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742759 (or 1742755 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13942024 is about 3733.9019805024. The cubic root of 13942024 is about 240.6810746697.

Adding to 13942024 its reverse (42024931), we get a palindrome (55966955).

The spelling of 13942024 in words is "thirteen million, nine hundred forty-two thousand, twenty-four".