13669073 has 4 divisors (see below), whose sum is σ = 14911728. Its totient is φ = 12426420.

The previous prime is 13669069. The next prime is 13669079. The reversal of 13669073 is 37096631.

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 13669073 - 2² = 13669069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13669079) 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, 621311 + ... + 621332.

It is an arithmetic number, because the mean of its divisors is an integer number (3727932).

Almost surely, 2^13669073 is an apocalyptic number.

It is an amenable number.

13669073 is a deficient number, since it is larger than the sum of its proper divisors (1242655).

13669073 is a wasteful number, since it uses less digits than its factorization.

13669073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242654.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 13669073 is about 3697.1709454663. The cubic root of 13669073 is about 239.1000613913.

The spelling of 13669073 in words is "thirteen million, six hundred sixty-nine thousand, seventy-three".