13935242 has 4 divisors (see below), whose sum is σ = 20902866. Its totient is φ = 6967620.

The previous prime is 13935211. The next prime is 13935277. The reversal of 13935242 is 24253931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24253931 = 13 ⋅1865687.

It can be written as a sum of positive squares in only one way, i.e., 13845841 + 89401 = 3721^2 + 299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483809 + ... + 3483812.

Almost surely, 2^13935242 is an apocalyptic number.

13935242 is a deficient number, since it is larger than the sum of its proper divisors (6967624).

13935242 is an equidigital number, since it uses as much as digits as its factorization.

13935242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967623.

The product of its digits is 6480, while the sum is 29.

The square root of 13935242 is about 3732.9937047898. The cubic root of 13935242 is about 240.6420424653.

The spelling of 13935242 in words is "thirteen million, nine hundred thirty-five thousand, two hundred forty-two".