13450919 has 2 divisors, whose sum is σ = 13450920. Its totient is φ = 13450918.

The previous prime is 13450909. The next prime is 13450937. The reversal of 13450919 is 91905431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13450919 - 2⁴ = 13450903 is a prime.

It is a super-2 number, since 2×13450919² = 361854443889122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13450909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6725459 + 6725460.

It is an arithmetic number, because the mean of its divisors is an integer number (6725460).

Almost surely, 2^13450919 is an apocalyptic number.

13450919 is a deficient number, since it is larger than the sum of its proper divisors (1).

13450919 is an equidigital number, since it uses as much as digits as its factorization.

13450919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 13450919 is about 3667.5494543360. The cubic root of 13450919 is about 237.8212472730.

The spelling of 13450919 in words is "thirteen million, four hundred fifty thousand, nine hundred nineteen".