13442746 has 16 divisors (see below), whose sum is σ = 20949984. Its totient is φ = 6464304.

The previous prime is 13442743. The next prime is 13442749. The reversal of 13442746 is 64724431.

It is an interprime number because it is at equal distance from previous prime (13442743) and next prime (13442749).

It is a super-3 number, since 3×13442746³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13442743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4596 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (1309374).

Almost surely, 2^13442746 is an apocalyptic number.

13442746 is a deficient number, since it is larger than the sum of its proper divisors (7507238).

13442746 is a wasteful number, since it uses less digits than its factorization.

13442746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

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

The square root of 13442746 is about 3666.4350532909. The cubic root of 13442746 is about 237.7730694778.

The spelling of 13442746 in words is "thirteen million, four hundred forty-two thousand, seven hundred forty-six".