13742245 has 8 divisors (see below), whose sum is σ = 17989920. Its totient is φ = 9994320.

The previous prime is 13742233. The next prime is 13742249. The reversal of 13742245 is 54224731.

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

It is not a de Polignac number, because 13742245 - 2⁹ = 13741733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13742249) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 124875 + ... + 124984.

It is an arithmetic number, because the mean of its divisors is an integer number (2248740).

Almost surely, 2^13742245 is an apocalyptic number.

It is an amenable number.

13742245 is a deficient number, since it is larger than the sum of its proper divisors (4247675).

13742245 is a wasteful number, since it uses less digits than its factorization.

13742245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249875.

The product of its digits is 6720, while the sum is 28.

The square root of 13742245 is about 3707.0534120781. The cubic root of 13742245 is about 239.5259450364.

Adding to 13742245 its reverse (54224731), we get a palindrome (67966976).

The spelling of 13742245 in words is "thirteen million, seven hundred forty-two thousand, two hundred forty-five".