13750007 has 4 divisors (see below), whose sum is σ = 13759800. Its totient is φ = 13740216.

The previous prime is 13749997. The next prime is 13750043. The reversal of 13750007 is 70005731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13750007 - 2⁶ = 13749943 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 (13750057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348 + ... + 5745.

It is an arithmetic number, because the mean of its divisors is an integer number (3439950).

Almost surely, 2^13750007 is an apocalyptic number.

13750007 is a deficient number, since it is larger than the sum of its proper divisors (9793).

13750007 is an equidigital number, since it uses as much as digits as its factorization.

13750007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 13750007 is about 3708.1001874275. The cubic root of 13750007 is about 239.5710335076.

Adding to 13750007 its reverse (70005731), we get a palindrome (83755738).

The spelling of 13750007 in words is "thirteen million, seven hundred fifty thousand, seven".