13442274 has 48 divisors (see below), whose sum is σ = 31999968. Its totient is φ = 4214592.

The previous prime is 13442269. The next prime is 13442287. The reversal of 13442274 is 47224431.

13442274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7449 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (666666).

Almost surely, 2^13442274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13442274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15999984).

13442274 is an abundant number, since it is smaller than the sum of its proper divisors (18557694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13442274 is a wasteful number, since it uses less digits than its factorization.

13442274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1649 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 13442274 is about 3666.3706850235. The cubic root of 13442274 is about 237.7702865592.

The spelling of 13442274 in words is "thirteen million, four hundred forty-two thousand, two hundred seventy-four".