13250761 has 2 divisors, whose sum is σ = 13250762. Its totient is φ = 13250760.

The previous prime is 13250753. The next prime is 13250779. The reversal of 13250761 is 16705231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11971600 + 1279161 = 3460^2 + 1131^2 .

It is a cyclic number.

It is not a de Polignac number, because 13250761 - 2³ = 13250753 is a prime.

It is not a weakly prime, because it can be changed into another prime (13250711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625380 + 6625381.

It is an arithmetic number, because the mean of its divisors is an integer number (6625381).

Almost surely, 2^13250761 is an apocalyptic number.

It is an amenable number.

13250761 is a deficient number, since it is larger than the sum of its proper divisors (1).

13250761 is an equidigital number, since it uses as much as digits as its factorization.

13250761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 13250761 is about 3640.1594745286. The cubic root of 13250761 is about 236.6357046934.

Adding to 13250761 its reverse (16705231), we get a palindrome (29955992).

The spelling of 13250761 in words is "thirteen million, two hundred fifty thousand, seven hundred sixty-one".