13942669 has 24 divisors (see below), whose sum is σ = 16759872. Its totient is φ = 11531520.

The previous prime is 13942667. The next prime is 13942693. The reversal of 13942669 is 96624931.

It is not a de Polignac number, because 13942669 - 2¹ = 13942667 is a prime.

It is a super-2 number, since 2×13942669² = 388796037687122, 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 (13942661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65974 + ... + 66184.

It is an arithmetic number, because the mean of its divisors is an integer number (698328).

Almost surely, 2^13942669 is an apocalyptic number.

It is an amenable number.

13942669 is a deficient number, since it is larger than the sum of its proper divisors (2817203).

13942669 is a wasteful number, since it uses less digits than its factorization.

13942669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 264 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 13942669 is about 3733.9883502764. The cubic root of 13942669 is about 240.6847861562.

The spelling of 13942669 in words is "thirteen million, nine hundred forty-two thousand, six hundred sixty-nine".