13442669 has 4 divisors (see below), whose sum is σ = 13468896. Its totient is φ = 13416444.

The previous prime is 13442659. The next prime is 13442677. The reversal of 13442669 is 96624431.

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 13442669 - 2¹² = 13438573 is a prime.

It is a super-2 number, since 2×13442669² = 361410699687122, 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 (13442659) 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, 12329 + ... + 13374.

It is an arithmetic number, because the mean of its divisors is an integer number (3367224).

Almost surely, 2^13442669 is an apocalyptic number.

It is an amenable number.

13442669 is a deficient number, since it is larger than the sum of its proper divisors (26227).

13442669 is an equidigital number, since it uses as much as digits as its factorization.

13442669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26226.

The product of its digits is 31104, while the sum is 35.

The square root of 13442669 is about 3666.4245526125. The cubic root of 13442669 is about 237.7726154892.

The spelling of 13442669 in words is "thirteen million, four hundred forty-two thousand, six hundred sixty-nine".