13072751 has 4 divisors (see below), whose sum is σ = 13086600. Its totient is φ = 13058904.

The previous prime is 13072739. The next prime is 13072757. The reversal of 13072751 is 15727031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13072751 - 2⁶ = 13072687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13072751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072757) 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, 5396 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (3271650).

Almost surely, 2^13072751 is an apocalyptic number.

13072751 is a deficient number, since it is larger than the sum of its proper divisors (13849).

13072751 is a wasteful number, since it uses less digits than its factorization.

13072751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13848.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 13072751 is about 3615.6259485738. The cubic root of 13072751 is about 235.5712734838.

Adding to 13072751 its reverse (15727031), we get a palindrome (28799782).

The spelling of 13072751 in words is "thirteen million, seventy-two thousand, seven hundred fifty-one".