13969497 has 8 divisors (see below), whose sum is σ = 18658656. Its totient is φ = 9296672.

The previous prime is 13969493. The next prime is 13969507. The reversal of 13969497 is 79496931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13969497 - 2² = 13969493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13969493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923 + ... + 5624.

It is an arithmetic number, because the mean of its divisors is an integer number (2332332).

Almost surely, 2^13969497 is an apocalyptic number.

It is an amenable number.

13969497 is a deficient number, since it is larger than the sum of its proper divisors (4689159).

13969497 is an equidigital number, since it uses as much as digits as its factorization.

13969497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8167.

The product of its digits is 367416, while the sum is 48.

The square root of 13969497 is about 3737.5790292648. The cubic root of 13969497 is about 240.8390596878.

It can be divided in two parts, 1396949 and 7, that added together give a triangular number (1396956 = T₁₆₇₁).

The spelling of 13969497 in words is "thirteen million, nine hundred sixty-nine thousand, four hundred ninety-seven".