13423901 has 2 divisors, whose sum is σ = 13423902. Its totient is φ = 13423900.

The previous prime is 13423877. The next prime is 13423903. The reversal of 13423901 is 10932431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6895876 + 6528025 = 2626^2 + 2555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13423901 is a prime.

It is a super-2 number, since 2×13423901² = 360402236115602, which contains 22 as substring.

Together with 13423903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13423903) 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, 6711950 + 6711951.

It is an arithmetic number, because the mean of its divisors is an integer number (6711951).

Almost surely, 2^13423901 is an apocalyptic number.

It is an amenable number.

13423901 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423901 is an equidigital number, since it uses as much as digits as its factorization.

13423901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13423901 is about 3663.8642169163. The cubic root of 13423901 is about 237.6619084353.

The spelling of 13423901 in words is "thirteen million, four hundred twenty-three thousand, nine hundred one".