13480057 has 2 divisors, whose sum is σ = 13480058. Its totient is φ = 13480056.

The previous prime is 13480043. The next prime is 13480087. The reversal of 13480057 is 75008431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13461561 + 18496 = 3669^2 + 136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13480057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13480037) 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, 6740028 + 6740029.

It is an arithmetic number, because the mean of its divisors is an integer number (6740029).

Almost surely, 2^13480057 is an apocalyptic number.

It is an amenable number.

13480057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13480057 is an equidigital number, since it uses as much as digits as its factorization.

13480057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13480057 is about 3671.5197125986. The cubic root of 13480057 is about 237.9928498664.

Adding to 13480057 its reverse (75008431), we get a palindrome (88488488).

The spelling of 13480057 in words is "thirteen million, four hundred eighty thousand, fifty-seven".