13146869 has 4 divisors (see below), whose sum is σ = 13718496. Its totient is φ = 12575244.

The previous prime is 13146853. The next prime is 13146893. The reversal of 13146869 is 96864131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13146869 - 2⁴ = 13146853 is a prime.

It is a super-2 number, since 2×13146869² = 345680329006322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146839) 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 in 3 ways as a sum of consecutive naturals, for example, 285779 + ... + 285824.

It is an arithmetic number, because the mean of its divisors is an integer number (3429624).

Almost surely, 2^13146869 is an apocalyptic number.

It is an amenable number.

13146869 is a deficient number, since it is larger than the sum of its proper divisors (571627).

13146869 is an equidigital number, since it uses as much as digits as its factorization.

13146869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571626.

The product of its digits is 31104, while the sum is 38.

The square root of 13146869 is about 3625.8611390951. The cubic root of 13146869 is about 236.0156374298.

The spelling of 13146869 in words is "thirteen million, one hundred forty-six thousand, eight hundred sixty-nine".