13612742 has 24 divisors (see below), whose sum is σ = 24176208. Its totient is φ = 5710320.

The previous prime is 13612741. The next prime is 13612763. The reversal of 13612742 is 24721631.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13612741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 983 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (1007342).

Almost surely, 2^13612742 is an apocalyptic number.

13612742 is a deficient number, since it is larger than the sum of its proper divisors (10563466).

13612742 is a wasteful number, since it uses less digits than its factorization.

13612742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364 (or 4353 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 13612742 is about 3689.5449583926. The cubic root of 13612742 is about 238.7711610128.

Subtracting 13612742 from its reverse (24721631), we obtain a square (11108889 = 3333²).

The spelling of 13612742 in words is "thirteen million, six hundred twelve thousand, seven hundred forty-two".