13956469 has 16 divisors (see below), whose sum is σ = 15523200. Its totient is φ = 12488256.

The previous prime is 13956463. The next prime is 13956487. The reversal of 13956469 is 96465931.

It is a cyclic number.

It is not a de Polignac number, because 13956469 - 2⁹ = 13955957 is a prime.

It is a super-2 number, since 2×13956469² = 389566053895922, 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 (13956463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47487 + ... + 47779.

It is an arithmetic number, because the mean of its divisors is an integer number (970200).

Almost surely, 2^13956469 is an apocalyptic number.

13956469 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13956469 is a deficient number, since it is larger than the sum of its proper divisors (1566731).

13956469 is a wasteful number, since it uses less digits than its factorization.

13956469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 174960, while the sum is 43.

The square root of 13956469 is about 3735.8357833288. The cubic root of 13956469 is about 240.7641672950.

The spelling of 13956469 in words is "thirteen million, nine hundred fifty-six thousand, four hundred sixty-nine".