13125751 has 8 divisors (see below), whose sum is σ = 14629680. Its totient is φ = 11703168.

The previous prime is 13125727. The next prime is 13125767. The reversal of 13125751 is 15752131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13125751 - 2¹⁷ = 12994679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19996 + ... + 20641.

It is an arithmetic number, because the mean of its divisors is an integer number (1828710).

Almost surely, 2^13125751 is an apocalyptic number.

13125751 is a deficient number, since it is larger than the sum of its proper divisors (1503929).

13125751 is a wasteful number, since it uses less digits than its factorization.

13125751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40673.

The product of its digits is 1050, while the sum is 25.

The square root of 13125751 is about 3622.9478329118. The cubic root of 13125751 is about 235.8891979626.

Adding to 13125751 its reverse (15752131), we get a palindrome (28877882).

The spelling of 13125751 in words is "thirteen million, one hundred twenty-five thousand, seven hundred fifty-one".