13992361 has 2 divisors, whose sum is σ = 13992362. Its totient is φ = 13992360.

The previous prime is 13992353. The next prime is 13992367. The reversal of 13992361 is 16329931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13987600 + 4761 = 3740^2 + 69^2 .

It is a cyclic number.

It is not a de Polignac number, because 13992361 - 2³ = 13992353 is a prime.

It is not a weakly prime, because it can be changed into another prime (13992367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6996180 + 6996181.

It is an arithmetic number, because the mean of its divisors is an integer number (6996181).

Almost surely, 2^13992361 is an apocalyptic number.

It is an amenable number.

13992361 is a deficient number, since it is larger than the sum of its proper divisors (1).

13992361 is an equidigital number, since it uses as much as digits as its factorization.

13992361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 34.

The square root of 13992361 is about 3740.6364431738. The cubic root of 13992361 is about 240.9703825452.

The spelling of 13992361 in words is "thirteen million, nine hundred ninety-two thousand, three hundred sixty-one".