13931461 has 2 divisors, whose sum is σ = 13931462. Its totient is φ = 13931460.

The previous prime is 13931453. The next prime is 13931473. The reversal of 13931461 is 16413931.

13931461 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 2540836 = 3375^2 + 1594^2 .

It is an emirp because it is prime and its reverse (16413931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13931461 - 2³ = 13931453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13931761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6965730 + 6965731.

It is an arithmetic number, because the mean of its divisors is an integer number (6965731).

Almost surely, 2^13931461 is an apocalyptic number.

It is an amenable number.

13931461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13931461 is an equidigital number, since it uses as much as digits as its factorization.

13931461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 13931461 is about 3732.4872404336. The cubic root of 13931461 is about 240.6202763114.

The spelling of 13931461 in words is "thirteen million, nine hundred thirty-one thousand, four hundred sixty-one".