13125738 has 16 divisors (see below), whose sum is σ = 26414496. Its totient is φ = 4348080.

The previous prime is 13125727. The next prime is 13125767. The reversal of 13125738 is 83752131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5733 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (1650906).

Almost surely, 2^13125738 is an apocalyptic number.

13125738 is an abundant number, since it is smaller than the sum of its proper divisors (13288758).

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

13125738 is a wasteful number, since it uses less digits than its factorization.

13125738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13589.

The product of its digits is 5040, while the sum is 30.

The square root of 13125738 is about 3622.9460387922. The cubic root of 13125738 is about 235.8891200862.

Adding to 13125738 its reverse (83752131), we get a palindrome (96877869).

It can be divided in two parts, 13 and 125738, that added together give a triangular number (125751 = T₅₀₁).

The spelling of 13125738 in words is "thirteen million, one hundred twenty-five thousand, seven hundred thirty-eight".