13697429 has 2 divisors, whose sum is σ = 13697430. Its totient is φ = 13697428.

The previous prime is 13697399. The next prime is 13697471. The reversal of 13697429 is 92479631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12794929 + 902500 = 3577^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 13697429 - 2¹² = 13693333 is a prime.

It is a super-2 number, since 2×13697429² = 375239122420082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13697129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6848714 + 6848715.

It is an arithmetic number, because the mean of its divisors is an integer number (6848715).

Almost surely, 2^13697429 is an apocalyptic number.

It is an amenable number.

13697429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13697429 is an equidigital number, since it uses as much as digits as its factorization.

13697429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 13697429 is about 3701.0037827595. The cubic root of 13697429 is about 239.2652820199.

The spelling of 13697429 in words is "thirteen million, six hundred ninety-seven thousand, four hundred twenty-nine".