13483991 has 2 divisors, whose sum is σ = 13483992. Its totient is φ = 13483990.

The previous prime is 13483979. The next prime is 13483993. The reversal of 13483991 is 19938431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13483991 is a prime.

Together with 13483993, 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 (13483993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6741995 + 6741996.

It is an arithmetic number, because the mean of its divisors is an integer number (6741996).

Almost surely, 2^13483991 is an apocalyptic number.

13483991 is a deficient number, since it is larger than the sum of its proper divisors (1).

13483991 is an equidigital number, since it uses as much as digits as its factorization.

13483991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 13483991 is about 3672.0554189718. The cubic root of 13483991 is about 238.0159994423.

The spelling of 13483991 in words is "thirteen million, four hundred eighty-three thousand, nine hundred ninety-one".