13942388 has 12 divisors (see below), whose sum is σ = 25240740. Its totient is φ = 6730752.

The previous prime is 13942387. The next prime is 13942399. The reversal of 13942388 is 88324931.

It can be written as a sum of positive squares in 2 ways, for example, as 4443664 + 9498724 = 2108^2 + 3082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13942381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59981 + ... + 60212.

It is an arithmetic number, because the mean of its divisors is an integer number (2103395).

Almost surely, 2^13942388 is an apocalyptic number.

It is an amenable number.

13942388 is a deficient number, since it is larger than the sum of its proper divisors (11298352).

13942388 is a wasteful number, since it uses less digits than its factorization.

13942388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120226 (or 120224 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 13942388 is about 3733.9507227600. The cubic root of 13942388 is about 240.6831692281.

The spelling of 13942388 in words is "thirteen million, nine hundred forty-two thousand, three hundred eighty-eight".