13751389 has 2 divisors, whose sum is σ = 13751390. Its totient is φ = 13751388.

The previous prime is 13751371. The next prime is 13751407. The reversal of 13751389 is 98315731.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13751371) and next prime (13751407).

It can be written as a sum of positive squares in only one way, i.e., 12659364 + 1092025 = 3558^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 13751389 - 2⁷ = 13751261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13751329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6875694 + 6875695.

It is an arithmetic number, because the mean of its divisors is an integer number (6875695).

Almost surely, 2^13751389 is an apocalyptic number.

It is an amenable number.

13751389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13751389 is an equidigital number, since it uses as much as digits as its factorization.

13751389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 13751389 is about 3708.2865315399. The cubic root of 13751389 is about 239.5790595902.

The spelling of 13751389 in words is "thirteen million, seven hundred fifty-one thousand, three hundred eighty-nine".