13122542 has 8 divisors (see below), whose sum is σ = 20164032. Its totient is φ = 6401200.

The previous prime is 13122539. The next prime is 13122547. The reversal of 13122542 is 24522131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13122542² = 344402217083528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122547) 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, 79934 + ... + 80097.

It is an arithmetic number, because the mean of its divisors is an integer number (2520504).

Almost surely, 2^13122542 is an apocalyptic number.

13122542 is a deficient number, since it is larger than the sum of its proper divisors (7041490).

13122542 is a wasteful number, since it uses less digits than its factorization.

13122542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160074.

The product of its digits is 480, while the sum is 20.

The square root of 13122542 is about 3622.5049344342. The cubic root of 13122542 is about 235.8699729006.

Adding to 13122542 its reverse (24522131), we get a palindrome (37644673).

The spelling of 13122542 in words is "thirteen million, one hundred twenty-two thousand, five hundred forty-two".