13461457 has 2 divisors, whose sum is σ = 13461458. Its totient is φ = 13461456.

The previous prime is 13461449. The next prime is 13461479. The reversal of 13461457 is 75416431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11282881 + 2178576 = 3359^2 + 1476^2 .

It is a cyclic number.

It is not a de Polignac number, because 13461457 - 2³ = 13461449 is a prime.

It is not a weakly prime, because it can be changed into another prime (13461157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6730728 + 6730729.

It is an arithmetic number, because the mean of its divisors is an integer number (6730729).

Almost surely, 2^13461457 is an apocalyptic number.

It is an amenable number.

13461457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13461457 is an equidigital number, since it uses as much as digits as its factorization.

13461457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 13461457 is about 3668.9858271735. The cubic root of 13461457 is about 237.8833373580.

Adding to 13461457 its reverse (75416431), we get a palindrome (88877888).

The spelling of 13461457 in words is "thirteen million, four hundred sixty-one thousand, four hundred fifty-seven".