13189453 has 2 divisors, whose sum is σ = 13189454. Its totient is φ = 13189452.

The previous prime is 13189441. The next prime is 13189483. The reversal of 13189453 is 35498131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12411529 + 777924 = 3523^2 + 882^2 .

It is a cyclic number.

It is not a de Polignac number, because 13189453 - 2⁹ = 13188941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13189483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594726 + 6594727.

It is an arithmetic number, because the mean of its divisors is an integer number (6594727).

Almost surely, 2^13189453 is an apocalyptic number.

It is an amenable number.

13189453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13189453 is an equidigital number, since it uses as much as digits as its factorization.

13189453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 13189453 is about 3631.7286517580. The cubic root of 13189453 is about 236.2701887323.

The spelling of 13189453 in words is "thirteen million, one hundred eighty-nine thousand, four hundred fifty-three".