13922542 has 4 divisors (see below), whose sum is σ = 20883816. Its totient is φ = 6961270.

The previous prime is 13922539. The next prime is 13922543. The reversal of 13922542 is 24522931.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13922542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480634 + ... + 3480637.

It is an arithmetic number, because the mean of its divisors is an integer number (5220954).

Almost surely, 2^13922542 is an apocalyptic number.

13922542 is a deficient number, since it is larger than the sum of its proper divisors (6961274).

13922542 is an equidigital number, since it uses as much as digits as its factorization.

13922542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961273.

The product of its digits is 4320, while the sum is 28.

The square root of 13922542 is about 3731.2922694423. The cubic root of 13922542 is about 240.5689165297.

The spelling of 13922542 in words is "thirteen million, nine hundred twenty-two thousand, five hundred forty-two".