13400741 has 2 divisors, whose sum is σ = 13400742. Its totient is φ = 13400740.

The previous prime is 13400707. The next prime is 13400767. The reversal of 13400741 is 14700431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 1635841 = 3430^2 + 1279^2 .

It is an emirp because it is prime and its reverse (14700431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13400741 - 2²² = 9206437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13400041) 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, 6700370 + 6700371.

It is an arithmetic number, because the mean of its divisors is an integer number (6700371).

Almost surely, 2^13400741 is an apocalyptic number.

It is an amenable number.

13400741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13400741 is an equidigital number, since it uses as much as digits as its factorization.

13400741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13400741 is about 3660.7022550325. The cubic root of 13400741 is about 237.5251519069.

It can be divided in two parts, 13400 and 741, that added together give a palindrome (14141).

The spelling of 13400741 in words is "thirteen million, four hundred thousand, seven hundred forty-one".