13446969 has 4 divisors (see below), whose sum is σ = 17929296. Its totient is φ = 8964644.

The previous prime is 13446931. The next prime is 13446977. The reversal of 13446969 is 96964431.

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 13446969 - 2¹² = 13442873 is a prime.

It is a super-2 number, since 2×13446969² = 361641950573922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13446969.

It is not an unprimeable number, because it can be changed into a prime (13446929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241159 + ... + 2241164.

It is an arithmetic number, because the mean of its divisors is an integer number (4482324).

Almost surely, 2^13446969 is an apocalyptic number.

It is an amenable number.

13446969 is a deficient number, since it is larger than the sum of its proper divisors (4482327).

13446969 is an equidigital number, since it uses as much as digits as its factorization.

13446969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482326.

The product of its digits is 139968, while the sum is 42.

The square root of 13446969 is about 3667.0109080830. The cubic root of 13446969 is about 237.7979654463.

The spelling of 13446969 in words is "thirteen million, four hundred forty-six thousand, nine hundred sixty-nine".