13087369 has 2 divisors, whose sum is σ = 13087370. Its totient is φ = 13087368.

The previous prime is 13087339. The next prime is 13087379. The reversal of 13087369 is 96378031.

13087369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 2064969 = 3320^2 + 1437^2 .

It is a cyclic number.

It is not a de Polignac number, because 13087369 - 2¹³ = 13079177 is a prime.

It is a super-2 number, since 2×13087369² = 342558454684322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13087339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6543684 + 6543685.

It is an arithmetic number, because the mean of its divisors is an integer number (6543685).

Almost surely, 2^13087369 is an apocalyptic number.

It is an amenable number.

13087369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13087369 is an equidigital number, since it uses as much as digits as its factorization.

13087369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13087369 is about 3617.6468871353. The cubic root of 13087369 is about 235.6590463412.

It can be divided in two parts, 1308736 and 9, that multiplied together give a square (11778624 = 3432²).

The spelling of 13087369 in words is "thirteen million, eighty-seven thousand, three hundred sixty-nine".