13119669 has 6 divisors (see below), whose sum is σ = 18950646. Its totient is φ = 8746440.

The previous prime is 13119647. The next prime is 13119677. The reversal of 13119669 is 96691131.

It can be written as a sum of positive squares in only one way, i.e., 11985444 + 1134225 = 3462^2 + 1065^2 .

It is not a de Polignac number, because 13119669 - 2¹³ = 13111477 is a prime.

It is a super-2 number, since 2×13119669² = 344251429339122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13119569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 728862 + ... + 728879.

It is an arithmetic number, because the mean of its divisors is an integer number (3158441).

Almost surely, 2^13119669 is an apocalyptic number.

It is an amenable number.

13119669 is a deficient number, since it is larger than the sum of its proper divisors (5830977).

13119669 is a wasteful number, since it uses less digits than its factorization.

13119669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457747 (or 1457744 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 13119669 is about 3622.1083639229. The cubic root of 13119669 is about 235.8527581492.

The spelling of 13119669 in words is "thirteen million, one hundred nineteen thousand, six hundred sixty-nine".