13438674 has 24 divisors (see below), whose sum is σ = 29193372. Its totient is φ = 4467840.

The previous prime is 13438673. The next prime is 13438679. The reversal of 13438674 is 47683431.

13438674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13373649 + 65025 = 3657^2 + 255^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13438673) 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, 8662 + ... + 10094.

Almost surely, 2^13438674 is an apocalyptic number.

13438674 is an abundant number, since it is smaller than the sum of its proper divisors (15754698).

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

13438674 is a wasteful number, since it uses less digits than its factorization.

13438674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1959 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 13438674 is about 3665.8797034273. The cubic root of 13438674 is about 237.7490587656.

The spelling of 13438674 in words is "thirteen million, four hundred thirty-eight thousand, six hundred seventy-four".