13480757 has 2 divisors, whose sum is σ = 13480758. Its totient is φ = 13480756.

The previous prime is 13480729. The next prime is 13480763. The reversal of 13480757 is 75708431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 707281 = 3574^2 + 841^2 .

It is an emirp because it is prime and its reverse (75708431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13480757 - 2⁶ = 13480693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13480057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740378 + 6740379.

It is an arithmetic number, because the mean of its divisors is an integer number (6740379).

Almost surely, 2^13480757 is an apocalyptic number.

It is an amenable number.

13480757 is a deficient number, since it is larger than the sum of its proper divisors (1).

13480757 is an equidigital number, since it uses as much as digits as its factorization.

13480757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 13480757 is about 3671.6150397339. The cubic root of 13480757 is about 237.9969693374.

The spelling of 13480757 in words is "thirteen million, four hundred eighty thousand, seven hundred fifty-seven".