13020751 has 2 divisors, whose sum is σ = 13020752. Its totient is φ = 13020750.

The previous prime is 13020731. The next prime is 13020767. The reversal of 13020751 is 15702031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13020751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510375 + 6510376.

It is an arithmetic number, because the mean of its divisors is an integer number (6510376).

Almost surely, 2^13020751 is an apocalyptic number.

13020751 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020751 is an equidigital number, since it uses as much as digits as its factorization.

13020751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 13020751 is about 3608.4277739758. The cubic root of 13020751 is about 235.2585113560.

Adding to 13020751 its reverse (15702031), we get a palindrome (28722782).

The spelling of 13020751 in words is "thirteen million, twenty thousand, seven hundred fifty-one".