13446742 has 4 divisors (see below), whose sum is σ = 20170116. Its totient is φ = 6723370.

The previous prime is 13446739. The next prime is 13446751. The reversal of 13446742 is 24764431.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 3361684 + ... + 3361687.

It is an arithmetic number, because the mean of its divisors is an integer number (5042529).

Almost surely, 2^13446742 is an apocalyptic number.

13446742 is a deficient number, since it is larger than the sum of its proper divisors (6723374).

13446742 is an equidigital number, since it uses as much as digits as its factorization.

13446742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723373.

The product of its digits is 16128, while the sum is 31.

The square root of 13446742 is about 3666.9799563128. The cubic root of 13446742 is about 237.7966273395.

The spelling of 13446742 in words is "thirteen million, four hundred forty-six thousand, seven hundred forty-two".