13374738 has 48 divisors (see below), whose sum is σ = 31753176. Its totient is φ = 4043520.

The previous prime is 13374737. The next prime is 13374773. The reversal of 13374738 is 83747331.

It can be written as a sum of positive squares in 4 ways, for example, as 2064969 + 11309769 = 1437^2 + 3363^2 .

It is not an unprimeable number, because it can be changed into a prime (13374731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13806 + ... + 14742.

Almost surely, 2^13374738 is an apocalyptic number.

13374738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13374738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15876588).

13374738 is an abundant number, since it is smaller than the sum of its proper divisors (18378438).

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

13374738 is a wasteful number, since it uses less digits than its factorization.

13374738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1016 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 13374738 is about 3657.1488895040. The cubic root of 13374738 is about 237.3714199667.

The spelling of 13374738 in words is "thirteen million, three hundred seventy-four thousand, seven hundred thirty-eight".